!========================================================================================================================!
!                                                                                                                        !
!                                                       VELOXCHEM                                                        !
!                                              AN ELECTRONIC STRUCTURE CODE                                              !
!                                                                                                                        !
!                                        Copyright 2018-2025 VeloxChem developers                                        !
!========================================================================================================================!
!                                VeloxChem execution started at Mon Mar  9 17:08:29 2026.                                !
!========================================================================================================================!
                                                                                                                          
* Info * Using 32 OpenMP threads per MPI process.                                                                         
                                                                                                                          
* Info * Reading input file acro-rr.inp...                                                                                
                                                                                                                          
* Info * @jobs                                                                                                            
* Info * task: vibrational                                                                                                
* Info * @end                                                                                                             
                                                                                                                          
* Info * @method_settings                                                                                                 
* Info * xcfun: b3lyp                                                                                                     
* Info * basis: def2-svp                                                                                                  
* Info * @end                                                                                                             
                                                                                                                          
* Info * @vibrational                                                                                                     
* Info * do_resonance_raman: yes                                                                                          
* Info * frequencies: 0.05-0.10 (0.05)                                                                                    
* Info * @end                                                                                                             
                                                                                                                          
                                              Molecular Geometry (Angstroms)                                              
                                             ================================                                             
                                                                                                                          
                          Atom         Coordinate X          Coordinate Y          Coordinate Z                           
                                                                                                                          
                           C          -7.193469896121       -0.606513185315        0.051392766908                         
                           C          -5.875615515175       -0.849065291590        0.042481132685                         
                           C          -4.889535693619        0.245221229217       -0.080553519627                         
                           O          -3.691300371749        0.086578691883       -0.094301147046                         
                           H          -5.343436560117        1.269725354663       -0.163335974501                         
                           H          -7.932396644059       -1.406925824035        0.141819097832                         
                           H          -7.577705619481        0.416356866537       -0.032850542800                         
                           H          -5.465794362629       -1.861160187416        0.125149091897                         
                                                                                                                          
                          Molecular charge            : 0                                                                 
                          Spin multiplicity           : 1                                                                 
                          Number of atoms             : 8                                                                 
                          Number of alpha electrons   : 15                                                                
                          Number of beta  electrons   : 15                                                                
                                                                                                                          
* Info * Reading basis set from file: /home/linares/miniconda3/envs/vlx-github/lib/python3.12/site-packages/veloxchem/basis/DEF2-SVP
                                                                                                                          
                                              Molecular Basis (Atomic Basis)                                              
                                             ================================                                             
                                                                                                                          
                               Basis: DEF2-SVP                                                                            
                                                                                                                          
                               Atom Contracted GTOs           Primitive GTOs                                              
                                                                                                                          
                               C     (3S,2P,1D)                (7S,4P,1D)                                                 
                               O     (3S,2P,1D)                (7S,4P,1D)                                                 
                               H     (2S,1P)                   (4S,1P)                                                    
                                                                                                                          
                               Contracted Basis Functions : 76                                                            
                               Primitive Basis Functions  : 124                                                           
                                                                                                                          
                                                                                                                          
                                            Self Consistent Field Driver Setup                                            
                                           ====================================                                           
                                                                                                                          
                   Wave Function Model             : Spin-Restricted Kohn-Sham                                            
                   Initial Guess Model             : Superposition of Atomic Densities                                    
                   Convergence Accelerator         : Two Level Direct Inversion of Iterative Subspace                     
                   Max. Number of Iterations       : 50                                                                   
                   Max. Number of Error Vectors    : 10                                                                   
                   Convergence Threshold           : 1.0e-06                                                              
                   ERI Screening Threshold         : 1.0e-12                                                              
                   Linear Dependence Threshold     : 1.0e-06                                                              
                   Exchange-Correlation Functional : B3LYP                                                                
                   Molecular Grid Level            : 4                                                                    
                                                                                                                          
* Info * Nuclear repulsion energy: 102.7338220016 a.u.                                                                    
                                                                                                                          
* Info * Using the B3LYP functional.                                                                                      
                                                                                                                          
         P. J. Stephens, F. J. Devlin, C. F. Chabalowski, and M. J. Frisch.,  J. Phys. Chem. 98, 11623 (1994)
                                                                                                                          
* Info * Using the Libxc library (v6.2.2).                                                                                
                                                                                                                          
         S. Lehtola, C. Steigemann, M. J.T. Oliveira, and M. A.L. Marques.,  SoftwareX 7, 1–5 (2018)
                                                                                                                          
* Info * Using the following algorithm for XC numerical integration.                                                      
                                                                                                                          
         J. Kussmann, H. Laqua and C. Ochsenfeld, J. Chem. Theory Comput. 2021, 17, 1512-1521
                                                                                                                          
* Info * Molecular grid with 113597 points generated in 0.07 sec.                                                         
                                                                                                                          
* Info * Overlap matrix computed in 0.00 sec.                                                                             
                                                                                                                          
* Info * Kinetic energy matrix computed in 0.00 sec.                                                                      
                                                                                                                          
* Info * Nuclear potential matrix computed in 0.00 sec.                                                                   
                                                                                                                          
* Info * Orthogonalization matrix computed in 0.00 sec.                                                                   
                                                                                                                          
* Info * Starting Reduced Basis SCF calculation...                                                                        
* Info * ...done. SCF energy in reduced basis set: -190.519433708976 a.u. Time: 0.13 sec.                                 
                                                                                                                          
* Info * Overlap matrix computed in 0.00 sec.                                                                             
                                                                                                                          
* Info * Kinetic energy matrix computed in 0.00 sec.                                                                      
                                                                                                                          
* Info * Nuclear potential matrix computed in 0.00 sec.                                                                   
                                                                                                                          
* Info * Orthogonalization matrix computed in 0.03 sec.                                                                   
                                                                                                                          
                                                                                                                          
               Iter. |    Kohn-Sham Energy | Energy Change | Gradient Norm | Max. Gradient | Density Change               
               --------------------------------------------------------------------------------------------               
                  1      -191.757704033234    0.0000000000      0.34835803      0.04292201      0.00000000                
                  2      -191.753942793786    0.0037612394      0.40558684      0.04408646      0.23729898                
                  3      -191.770399465417   -0.0164566716      0.11163178      0.00999188      0.15696645                
                  4      -191.771566527350   -0.0011670619      0.01984292      0.00174511      0.05105135                
                  5      -191.771603873495   -0.0000373461      0.01031291      0.00092975      0.01403270                
                  6      -191.771618688810   -0.0000148153      0.00103560      0.00006468      0.00355610                
                  7      -191.771618823183   -0.0000001344      0.00018982      0.00001086      0.00035271                
                  8      -191.771618827506   -0.0000000043      0.00006201      0.00000397      0.00009238                
                  9      -191.771618827995   -0.0000000005      0.00001290      0.00000099      0.00002345                
                 10      -191.771618828017   -0.0000000000      0.00000170      0.00000012      0.00000864                
                 11      -191.771618828017   -0.0000000000      0.00000018      0.00000002      0.00000123                
                                                                                                                          
* Info * Checkpoint written to file: acro-rr_scf.h5                                                                       
                                                                                                                          
* Info * SCF results written to file: acro-rr.h5                                                                          
                                                                                                                          
               *** SCF converged in 11 iterations. Time: 1.38 sec.                                                        
                                                                                                                          
               Spin-Restricted Kohn-Sham:                                                                                 
               --------------------------                                                                                 
               Total Energy                       :     -191.7716188280 a.u.                                              
               Electronic Energy                  :     -294.5054408296 a.u.                                              
               Nuclear Repulsion Energy           :      102.7338220016 a.u.                                              
               ------------------------------------                                                                       
               Gradient Norm                      :        0.0000001829 a.u.                                              
                                                                                                                          
                                                                                                                          
               Ground State Information                                                                                   
               ------------------------                                                                                   
               Charge of Molecule            :  0.0                                                                       
               Multiplicity (2S+1)           :  1                                                                         
               Magnetic Quantum Number (M_S) :  0.0                                                                       
                                                                                                                          
                                                                                                                          
                                                 Spin Restricted Orbitals                                                 
                                                 ------------------------                                                 
                                                                                                                          
               Molecular Orbital No.  11:                                                                                 
               --------------------------                                                                                 
               Occupation: 2.000 Energy:   -0.42478 a.u.                                                                  
               (   1 C   1p+1:    -0.23) (   2 C   1p+1:     0.21) (   3 C   1p+1:    -0.32)                              
               (   4 O   2s  :     0.17) (   4 O   3s  :     0.20) (   4 O   1p+1:     0.44)                              
               (   4 O   2p+1:     0.24) (   5 H   1s  :     0.16)                                                        
                                                                                                                          
               Molecular Orbital No.  12:                                                                                 
               --------------------------                                                                                 
               Occupation: 2.000 Energy:   -0.40675 a.u.                                                                  
               (   2 C   1p0 :     0.18) (   3 C   1p0 :     0.37) (   3 C   2p0 :     0.21)                              
               (   4 O   1p0 :     0.43) (   4 O   2p0 :     0.26)                                                        
                                                                                                                          
               Molecular Orbital No.  13:                                                                                 
               --------------------------                                                                                 
               Occupation: 2.000 Energy:   -0.39677 a.u.                                                                  
               (   1 C   1p-1:    -0.31) (   2 C   1p-1:     0.28) (   3 C   1p-1:    -0.16)                              
               (   4 O   1p-1:    -0.16) (   6 H   1s  :     0.22) (   7 H   1s  :    -0.28)                              
               (   7 H   2s  :    -0.16) (   8 H   1s  :    -0.30)                                                        
                                                                                                                          
               Molecular Orbital No.  14:                                                                                 
               --------------------------                                                                                 
               Occupation: 2.000 Energy:   -0.30083 a.u.                                                                  
               (   1 C   1p0 :     0.38) (   1 C   2p0 :     0.26) (   2 C   1p0 :     0.37)                              
               (   2 C   2p0 :     0.24) (   4 O   1p0 :    -0.27) (   4 O   2p0 :    -0.19)                              
                                                                                                                          
               Molecular Orbital No.  15:                                                                                 
               --------------------------                                                                                 
               Occupation: 2.000 Energy:   -0.26272 a.u.                                                                  
               (   2 C   3s  :     0.41) (   2 C   1p+1:     0.16) (   2 C   1p-1:     0.16)                              
               (   4 O   1p-1:     0.57) (   4 O   2p-1:     0.40) (   5 H   1s  :    -0.25)                              
               (   5 H   2s  :    -0.21)                                                                                  
                                                                                                                          
               Molecular Orbital No.  16:                                                                                 
               --------------------------                                                                                 
               Occupation: 0.000 Energy:   -0.07239 a.u.                                                                  
               (   1 C   1p0 :     0.38) (   1 C   2p0 :     0.45) (   2 C   1p0 :    -0.23)                              
               (   2 C   2p0 :    -0.29) (   3 C   1p0 :    -0.33) (   3 C   2p0 :    -0.29)                              
               (   4 O   1p0 :     0.34) (   4 O   2p0 :     0.32)                                                        
                                                                                                                          
               Molecular Orbital No.  17:                                                                                 
               --------------------------                                                                                 
               Occupation: 0.000 Energy:    0.04687 a.u.                                                                  
               (   1 C   1p0 :     0.21) (   1 C   2p0 :     0.47) (   2 C   1p0 :    -0.41)                              
               (   2 C   2p0 :    -0.68) (   3 C   1p0 :     0.42) (   3 C   2p0 :     0.60)                              
               (   4 O   1p0 :    -0.26) (   4 O   2p0 :    -0.33)                                                        
                                                                                                                          
               Molecular Orbital No.  18:                                                                                 
               --------------------------                                                                                 
               Occupation: 0.000 Energy:    0.06972 a.u.                                                                  
               (   1 C   2s  :     0.24) (   1 C   3s  :     1.89) (   1 C   1p+1:    -0.16)                              
               (   1 C   2p+1:    -0.40) (   1 C   2p-1:     0.28) (   2 C   3s  :    -0.28)                              
               (   2 C   2p+1:     0.17) (   3 C   3s  :     0.79) (   3 C   1p-1:     0.18)                              
               (   3 C   2p+1:    -0.20) (   3 C   2p-1:     0.44) (   5 H   2s  :    -1.00)                              
               (   6 H   2s  :    -1.02) (   7 H   2s  :    -1.43)                                                        
                                                                                                                          
               Molecular Orbital No.  19:                                                                                 
               --------------------------                                                                                 
               Occupation: 0.000 Energy:    0.07473 a.u.                                                                  
               (   1 C   3s  :     0.66) (   1 C   1p-1:    -0.20) (   1 C   2p+1:    -0.36)                              
               (   1 C   2p-1:    -0.52) (   2 C   3s  :     1.11) (   2 C   1p-1:    -0.19)                              
               (   2 C   2p+1:     0.31) (   2 C   2p-1:    -0.36) (   3 C   3s  :    -0.52)                              
               (   3 C   2p+1:     0.22) (   5 H   2s  :     0.65) (   6 H   2s  :    -1.31)                              
               (   7 H   2s  :     0.32) (   8 H   2s  :    -1.38)                                                        
                                                                                                                          
               Molecular Orbital No.  20:                                                                                 
               --------------------------                                                                                 
               Occupation: 0.000 Energy:    0.12164 a.u.                                                                  
               (   1 C   3s  :     1.05) (   1 C   2p-1:     0.27) (   2 C   3s  :    -0.18)                              
               (   2 C   1p-1:     0.16) (   2 C   2p-1:     0.68) (   3 C   2s  :    -0.23)                              
               (   3 C   3s  :    -1.52) (   3 C   1p-1:    -0.18) (   3 C   2p+1:     0.79)                              
               (   3 C   2p-1:    -0.51) (   4 O   3s  :    -0.30) (   5 H   2s  :     1.82)                              
               (   6 H   2s  :    -0.19) (   7 H   2s  :    -1.19) (   8 H   2s  :     0.78)                              
                                                                                                                          
                                                                                                                          
                                                Ground State Dipole Moment                                                
                                               ----------------------------                                               
                                                                                                                          
                                   X   :        -1.195367 a.u.        -3.038321 Debye                                     
                                   Y   :        -0.098606 a.u.        -0.250630 Debye                                     
                                   Z   :         0.037150 a.u.         0.094426 Debye                                     
                                 Total :         1.200003 a.u.         3.050102 Debye                                     
                                                                                                                          
                                                                                                                          
                                               Vibrational Analysis Driver                                                
                                              =============================                                               
                                                                                                                          
                          The following will be computed:                                                                 
                                                                                                                          
                          - Vibrational frequencies and normal modes                                                      
                          - Force constants                                                                               
                          - IR intensities                                                                                
                          - Resonance Raman (2 frequencies)                                                               
                                                                                                                          
                                                                                                                          
                                                 SCF Hessian Driver Setup                                                 
                                                ==========================                                                
                                                                                                                          
                          Hessian Type                    : Analytical                                                    
                          Exchange-Correlation Functional : B3LYP                                                         
                          Molecular Grid Level            : 4                                                             
                                                                                                                          
* Info * Computing analytical Hessian...                                                                                  
                                                                                                                          
         Reference: P. Deglmann, F. Furche, R. Ahlrichs, Chem. Phys. Lett. 2002, 362, 511-518.
                                                                                                                          
* Info * Using the B3LYP functional.                                                                                      
                                                                                                                          
         P. J. Stephens, F. J. Devlin, C. F. Chabalowski, and M. J. Frisch.,  J. Phys. Chem. 98, 11623 (1994)
                                                                                                                          
* Info * Using the Libxc library (v6.2.2).                                                                                
                                                                                                                          
         S. Lehtola, C. Steigemann, M. J.T. Oliveira, and M. A.L. Marques.,  SoftwareX 7, 1–5 (2018)
                                                                                                                          
* Info * Using the following algorithm for XC numerical integration.                                                      
                                                                                                                          
         J. Kussmann, H. Laqua and C. Ochsenfeld, J. Chem. Theory Comput. 2021, 17, 1512-1521
                                                                                                                          
* Info * Molecular grid with 113597 points generated in 0.09 sec.                                                         
                                                                                                                          
* Info * CPHF/CPKS integral derivatives computed in 2.68 sec.                                                             
                                                                                                                          
* Info * CPHF/CPKS right-hand side computed in 2.49 sec.                                                                  
                                                                                                                          
                                                                                                                          
                                         Coupled-Perturbed Kohn-Sham Solver Setup                                         
                                        ------------------------------------------                                        
                                                                                                                          
                          Solver Type                     : Iterative Subspace Algorithm                                  
                          Max. Number of Iterations       : 150                                                           
                          Convergence Threshold           : 1.0e-04                                                       
                          Exchange-Correlation Functional : B3LYP                                                         
                          Molecular Grid Level            : 4                                                             
                                                                                                                          
* Info * Processing 21 Fock builds...                                                                                     
                                                                                                                          
* Info * 21 trial vectors in reduced space                                                                                
                                                                                                                          
* Info * 491.82 kB of memory used for subspace procedure on the master node                                               
* Info * 114.84 GB of memory available for the solver on the master node                                                  
                                                                                                                          
               *** Iteration:   1 * Residuals (Max,Min): 6.67e-01 and 5.78e-02                                            
                                                                                                                          
* Info * Processing 21 Fock builds...                                                                                     
                                                                                                                          
* Info * 42 trial vectors in reduced space                                                                                
                                                                                                                          
* Info * 799.26 kB of memory used for subspace procedure on the master node                                               
* Info * 114.99 GB of memory available for the solver on the master node                                                  
                                                                                                                          
               *** Iteration:   2 * Residuals (Max,Min): 5.09e-02 and 7.19e-03                                            
                                                                                                                          
* Info * Processing 21 Fock builds...                                                                                     
                                                                                                                          
* Info * 63 trial vectors in reduced space                                                                                
                                                                                                                          
* Info * 1.11 MB of memory used for subspace procedure on the master node                                                 
* Info * 115.01 GB of memory available for the solver on the master node                                                  
                                                                                                                          
               *** Iteration:   3 * Residuals (Max,Min): 4.70e-03 and 4.69e-04                                            
                                                                                                                          
* Info * Processing 17 Fock builds...                                                                                     
                                                                                                                          
* Info * 80 trial vectors in reduced space                                                                                
                                                                                                                          
* Info * 1.42 MB of memory used for subspace procedure on the master node                                                 
* Info * 115.02 GB of memory available for the solver on the master node                                                  
                                                                                                                          
               *** Iteration:   4 * Residuals (Max,Min): 3.42e-04 and 3.57e-05                                            
                                                                                                                          
* Info * Processing 16 Fock builds...                                                                                     
                                                                                                                          
* Info * 96 trial vectors in reduced space                                                                                
                                                                                                                          
* Info * 1.77 MB of memory used for subspace procedure on the master node                                                 
* Info * 114.96 GB of memory available for the solver on the master node                                                  
                                                                                                                          
               *** Iteration:   5 * Residuals (Max,Min): 9.31e-05 and 7.00e-06                                            
                                                                                                                          
* Info * Checkpoint written to file: acro-rr_orbrsp.h5                                                                    
                                                                                                                          
* Info * Time spent in writing checkpoint file: 0.01 sec                                                                  
                                                                                                                          
               *** Coupled-Perturbed Kohn-Sham converged in 5 iterations. Time: 14.31 sec                                 
                                                                                                                          
                                                                                                                          
* Info * First order derivative contributions to the Hessian computed in 0.00 sec.                                        
                                                                                                                          
* Info * Second order derivative contributions to the Hessian computed in 12.75 sec.                                      
                                                                                                                          
                                   *** Time spent in Hessian calculation: 27.08 sec ***                                   
                                                                                                                          
                                                                                                                          
                                                                                                                          
                                              Complex Response Solver Setup                                               
                                             ===============================                                              
                                                                                                                          
                               Number of Frequencies           : 2                                                        
                               Max. Number of Iterations       : 150                                                      
                               Convergence Threshold           : 1.0e-04                                                  
                               ERI Screening Threshold         : 1.0e-12                                                  
                               Exchange-Correlation Functional : B3LYP                                                    
                               Molecular Grid Level            : 4                                                        
                                                                                                                          
* Info * Using the B3LYP functional.                                                                                      
                                                                                                                          
         P. J. Stephens, F. J. Devlin, C. F. Chabalowski, and M. J. Frisch.,  J. Phys. Chem. 98, 11623 (1994)
                                                                                                                          
* Info * Using the Libxc library (v6.2.2).                                                                                
                                                                                                                          
         S. Lehtola, C. Steigemann, M. J.T. Oliveira, and M. A.L. Marques.,  SoftwareX 7, 1–5 (2018)
                                                                                                                          
* Info * Using the following algorithm for XC numerical integration.                                                      
                                                                                                                          
         J. Kussmann, H. Laqua and C. Ochsenfeld, J. Chem. Theory Comput. 2021, 17, 1512-1521
                                                                                                                          
* Info * 7 gerade trial vectors in reduced space                                                                          
* Info * 7 ungerade trial vectors in reduced space                                                                        
                                                                                                                          
               *** Iteration:   1 * Residuals (Max,Min): 1.02e+00 and 3.46e-01                                            
                                                                                                                          
* Info * 14 gerade trial vectors in reduced space                                                                         
* Info * 15 ungerade trial vectors in reduced space                                                                       
                                                                                                                          
               *** Iteration:   2 * Residuals (Max,Min): 1.12e-01 and 3.93e-02                                            
                                                                                                                          
* Info * 21 gerade trial vectors in reduced space                                                                         
* Info * 23 ungerade trial vectors in reduced space                                                                       
                                                                                                                          
               *** Iteration:   3 * Residuals (Max,Min): 1.63e-02 and 6.00e-03                                            
                                                                                                                          
* Info * 28 gerade trial vectors in reduced space                                                                         
* Info * 30 ungerade trial vectors in reduced space                                                                       
                                                                                                                          
               *** Iteration:   4 * Residuals (Max,Min): 1.59e-03 and 5.63e-04                                            
                                                                                                                          
* Info * 35 gerade trial vectors in reduced space                                                                         
* Info * 38 ungerade trial vectors in reduced space                                                                       
                                                                                                                          
               *** Iteration:   5 * Residuals (Max,Min): 1.49e-04 and 8.73e-05                                            
                                                                                                                          
* Info * 39 gerade trial vectors in reduced space                                                                         
* Info * 43 ungerade trial vectors in reduced space                                                                       
                                                                                                                          
               *** Iteration:   6 * Residuals (Max,Min): 9.92e-05 and 1.15e-05                                            
                                                                                                                          
* Info * Checkpoint written to file: acro-rr_rsp.h5                                                                       
                                                                                                                          
* Info * Time spent in writing checkpoint file: 0.01 sec                                                                  
                                                                                                                          
               *** Complex response converged in 6 iterations. Time: 5.64 sec                                             
                                                                                                                          
                                                                                                                          
               Linear Absorption Cross-Section                                                                            
               ===============================                                                                            
                                                                                                                          
               Reference: J. Kauczor and P. Norman, J. Chem. Theory Comput. 2014, 10, 2449-2455.                          
                                                                                                                          
               Frequency[a.u.]     Frequency[eV]        sigma(w)[a.u.]                                                    
               -------------------------------------------------------                                                    
               0.0500              1.36057                0.00048181                                                      
               0.1000              2.72114                0.00240333                                                      
                                                                                                                          
                                                                                                                          
                                              Polarizability Gradient Driver                                              
                                             ================================                                             
                                                                                                                          
                          Polarizability gradient type    : Complex Analytical                                            
                          Damping value                   : 0.0046 a.u.                                                   
                          Exchange-Correlation Functional : B3LYP                                                         
                          Molecular Grid Level            : 4                                                             
                                                                                                                          
* Info * Using the B3LYP functional.                                                                                      
                                                                                                                          
         P. J. Stephens, F. J. Devlin, C. F. Chabalowski, and M. J. Frisch.,  J. Phys. Chem. 98, 11623 (1994)
                                                                                                                          
* Info * Using the Libxc library (v6.2.2).                                                                                
                                                                                                                          
         S. Lehtola, C. Steigemann, M. J.T. Oliveira, and M. A.L. Marques.,  SoftwareX 7, 1–5 (2018)
                                                                                                                          
* Info * Using the following algorithm for XC numerical integration.                                                      
                                                                                                                          
         J. Kussmann, H. Laqua and C. Ochsenfeld, J. Chem. Theory Comput. 2021, 17, 1512-1521
                                                                                                                          
* Info * Building RHS for w = 0.050                                                                                       
* Info * 14.42 kB of memory used for subspace procedure on the master node                                                
* Info * 113.73 GB of memory available for the solver on the master node                                                  
                                                                                                                          
* Info * Building RHS for w = 0.100                                                                                       
* Info * 14.42 kB of memory used for subspace procedure on the master node                                                
* Info * 113.87 GB of memory available for the solver on the master node                                                  
                                                                                                                          
* Info * 9.61 MB of memory used for subspace procedure on the master node                                                 
* Info * 113.87 GB of memory available for the solver on the master node                                                  
                                                                                                                          
* Info * ** Time spent on constructing the orbrsp RHS for 2 frequencies: 9.11 sec **                                      
                                                                                                                          
                                                                                                                          
                                         Coupled-Perturbed Kohn-Sham Solver Setup                                         
                                        ------------------------------------------                                        
                                                                                                                          
                          Solver Type                     : Iterative Subspace Algorithm                                  
                          Max. Number of Iterations       : 150                                                           
                          Convergence Threshold           : 1.0e-04                                                       
                          Number of frequencies           : 2                                                             
                          Vector components               : xyz                                                           
                                                                                                                          
* Info * 18 trial vectors in reduced space                                                                                
                                                                                                                          
               *** Iteration:   1 * Residuals (Max,Min): 2.11e-01 and 4.15e-02                                            
                                                                                                                          
* Info * 36 trial vectors in reduced space                                                                                
                                                                                                                          
               *** Iteration:   2 * Residuals (Max,Min): 3.13e-02 and 4.89e-03                                            
                                                                                                                          
* Info * 54 trial vectors in reduced space                                                                                
                                                                                                                          
               *** Iteration:   3 * Residuals (Max,Min): 2.35e-03 and 3.36e-04                                            
                                                                                                                          
* Info * 71 trial vectors in reduced space                                                                                
                                                                                                                          
               *** Iteration:   4 * Residuals (Max,Min): 5.72e-04 and 2.14e-05                                            
                                                                                                                          
* Info * 88 trial vectors in reduced space                                                                                
                                                                                                                          
               *** Iteration:   5 * Residuals (Max,Min): 9.92e-05 and 9.65e-06                                            
                                                                                                                          
* Info * Checkpoint written to file: acro-rr_orbrsp.h5                                                                    
                                                                                                                          
* Info * Time spent in writing checkpoint file: 0.00 sec                                                                  
                                                                                                                          
               *** Coupled-Perturbed Kohn-Sham converged in 5 iterations. Time: 18.22 sec                                 
                                                                                                                          
                                                                                                                          
* Info * Using the B3LYP functional.                                                                                      
                                                                                                                          
         P. J. Stephens, F. J. Devlin, C. F. Chabalowski, and M. J. Frisch.,  J. Phys. Chem. 98, 11623 (1994)
                                                                                                                          
* Info * Using the Libxc library (v6.2.2).                                                                                
                                                                                                                          
         S. Lehtola, C. Steigemann, M. J.T. Oliveira, and M. A.L. Marques.,  SoftwareX 7, 1–5 (2018)
                                                                                                                          
* Info * Using the following algorithm for XC numerical integration.                                                      
                                                                                                                          
         J. Kussmann, H. Laqua and C. Ochsenfeld, J. Chem. Theory Comput. 2021, 17, 1512-1521
                                                                                                                          
* Info * Building omega for w = 0.050                                                                                     
* Info * Building omega for w = 0.100                                                                                     
* Info * 1.11 MB of memory used for subspace procedure on the master node                                                 
* Info * 113.81 GB of memory available for the solver on the master node                                                  
                                                                                                                          
                      ** Time spent on constructing omega multipliers for 2 frequencies: 4.09 sec **                      
                                                                                                                          
* Info * Building gradient for frequency = 0.050                                                                          
                                                                                                                          
* Info * Building gradient for frequency = 0.100                                                                          
                                                                                                                          
* Info * 576.00 bytes of memory used for subspace procedure on the master node                                            
* Info * 114.36 GB of memory available for the solver on the master node                                                  
                                                                                                                          
* Info * ** Time spent on constructing the analytical gradient for 2 frequencies: 143.64 sec **                           
                                                                                                                          
                             *** Time spent in polarizability gradient driver: 166.00 sec ***                             
                                                                                                                          
                                                   Free Energy Analysis                                                   
                                                  ======================                                                  
                                                                                                                          
       Note: Rotational symmetry is set to 1 regardless of true symmetry                                                  
       No Imaginary Frequencies                                                                                           
                                                                                                                          
       Free energy contributions calculated at @ 298.15 K:                                                                
       Zero-point vibrational energy:                                   38.3700 kcal/mol                                  
       H   (Trans + Rot + Vib = Tot):   1.4812 +   0.8887 +   0.9566 =   3.3266 kcal/mol                                  
       S   (Trans + Rot + Vib = Tot):  38.0192 +  23.3631 +   5.0979 =  66.4801 cal/mol/K                                 
       TS  (Trans + Rot + Vib = Tot):  11.3354 +   6.9657 +   1.5199 =  19.8211 kcal/mol                                  
                                                                                                                          
       Ground State Electronic Energy    : E0                        =  -191.77161883 au (   -120338.5077 kcal/mol)       
       Free Energy Correction (Harmonic) : ZPVE + [H-TS]_T,R,V       =     0.03486092 au (        21.8756 kcal/mol)       
       Gibbs Free Energy (Harmonic)      : E0 + ZPVE + [H-TS]_T,R,V  =  -191.73675791 au (   -120316.6321 kcal/mol)       
                                                                                                                          
                                                                                                                          
                                                   Vibrational Analysis                                                   
                                                  ======================                                                  
                                                                                                                          
* Info * The 5 dominant normal modes are printed below.                                                                   
                                                                                                                          
                                   Vibrational Mode      5                                                                
                                   ----------------------------------------------------                                   
                                   Harmonic frequency:                 916.93  cm**-1                                     
                                   Reduced mass:                       1.5446  amu                                        
                                   Force constant:                     0.7651  mdyne/A                                    
                                   IR intensity:                      20.1488  km/mol                                     
                                   Normal mode:                                                                           
                                                              X           Y           Z                                   
                                   1       C            -0.0818     -0.1085      0.0118                                   
                                   2       C            -0.0443     -0.0729      0.0077                                   
                                   3       C             0.0449      0.1359     -0.0135                                   
                                   4       O             0.0376     -0.0128      0.0003                                   
                                   5       H             0.1815      0.1956     -0.0221                                   
                                   6       H            -0.6102      0.3734     -0.0197                                   
                                   7       H             0.5193      0.1248     -0.0236                                   
                                   8       H             0.2818      0.0509     -0.0113                                   
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      6                                                                
                                   ----------------------------------------------------                                   
                                   Harmonic frequency:                 989.42  cm**-1                                     
                                   Reduced mass:                       1.3104  amu                                        
                                   Force constant:                     0.7558  mdyne/A                                    
                                   IR intensity:                      38.2833  km/mol                                     
                                   Normal mode:                                                                           
                                                              X           Y           Z                                   
                                   1       C             0.0037      0.0144      0.1576                                   
                                   2       C            -0.0004     -0.0017     -0.0186                                   
                                   3       C            -0.0010     -0.0039     -0.0430                                   
                                   4       O             0.0003      0.0011      0.0122                                   
                                   5       H             0.0037      0.0143      0.1567                                   
                                   6       H            -0.0150     -0.0582     -0.6380                                   
                                   7       H            -0.0169     -0.0653     -0.7160                                   
                                   8       H            -0.0033     -0.0128     -0.1404                                   
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      9                                                                
                                   ----------------------------------------------------                                   
                                   Harmonic frequency:                1160.45  cm**-1                                     
                                   Reduced mass:                       1.9423  amu                                        
                                   Force constant:                     1.5411  mdyne/A                                    
                                   IR intensity:                      34.4776  km/mol                                     
                                   Normal mode:                                                                           
                                                              X           Y           Z                                   
                                   1       C             0.0470      0.0376     -0.0045                                   
                                   2       C            -0.0199     -0.1756      0.0165                                   
                                   3       C             0.0389      0.2147     -0.0205                                   
                                   4       O            -0.0121     -0.0335      0.0033                                   
                                   5       H             0.1153      0.2551     -0.0260                                   
                                   6       H             0.2120     -0.1172      0.0057                                   
                                   7       H            -0.2011     -0.0597      0.0102                                   
                                   8       H            -0.7197     -0.4607      0.0590                                   
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      14                                                               
                                   ----------------------------------------------------                                   
                                   Harmonic frequency:                1823.14  cm**-1                                     
                                   Reduced mass:                      10.0961  amu                                        
                                   Force constant:                    19.7717  mdyne/A                                    
                                   IR intensity:                     221.6294  km/mol                                     
                                   Normal mode:                                                                           
                                                              X           Y           Z                                   
                                   1       C            -0.0227      0.0111     -0.0005                                   
                                   2       C             0.0984      0.0008     -0.0024                                   
                                   3       C            -0.7108      0.0421      0.0129                                   
                                   4       O             0.4722     -0.0583     -0.0058                                   
                                   5       H             0.2396      0.3728     -0.0396                                   
                                   6       H             0.0063     -0.0162      0.0013                                   
                                   7       H             0.0395      0.0247     -0.0032                                   
                                   8       H            -0.2130     -0.1003      0.0142                                   
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      15                                                               
                                   ----------------------------------------------------                                   
                                   Harmonic frequency:                2866.01  cm**-1                                     
                                   Reduced mass:                       1.0843  amu                                        
                                   Force constant:                     5.2474  mdyne/A                                    
                                   IR intensity:                     105.5145  km/mol                                     
                                   Normal mode:                                                                           
                                                              X           Y           Z                                   
                                   1       C             0.0010     -0.0002     -0.0000                                   
                                   2       C            -0.0028     -0.0013      0.0002                                   
                                   3       C            -0.0276      0.0782     -0.0065                                   
                                   4       O            -0.0020     -0.0003      0.0001                                   
                                   5       H             0.3787     -0.9186      0.0749                                   
                                   6       H             0.0023     -0.0056      0.0005                                   
                                   7       H             0.0032      0.0093     -0.0009                                   
                                   8       H            -0.0025      0.0053     -0.0004                                   
                                                                                                                          
                                                                                                                          
                                                     Resonance Raman                                                      
                                                    =================                                                     
                                                                                                                          
                                   Vibrational Mode      1                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             1.7892                                                    
                                           0.100000             2.4195                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      2                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             1.2820                                                    
                                           0.100000             2.2753                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      3                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             5.8623                                                    
                                           0.100000             7.8316                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      4                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             3.2196                                                    
                                           0.100000             3.6486                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      5                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             1.2754                                                    
                                           0.100000             1.2590                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      6                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             1.0133                                                    
                                           0.100000             1.9249                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      7                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             4.4151                                                    
                                           0.100000             6.0851                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      8                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             3.4205                                                    
                                           0.100000             3.9574                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      9                                                                
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000            13.0512                                                    
                                           0.100000            19.2619                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      10                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             8.6600                                                    
                                           0.100000            10.7913                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      11                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000            24.4327                                                    
                                           0.100000            33.8738                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      12                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000             5.5284                                                    
                                           0.100000             7.3456                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      13                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000            37.2463                                                    
                                           0.100000            71.4312                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      14                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000            66.4700                                                    
                                           0.100000           111.2732                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      15                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000           113.4754                                                    
                                           0.100000           133.0207                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      16                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000            79.7595                                                    
                                           0.100000            83.7763                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      17                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000           113.4041                                                    
                                           0.100000           127.9174                                                    
                                                                                                                          
                                                                                                                          
                                   Vibrational Mode      18                                                               
                                   ----------------------------------------------------                                   
                                   Frequency (a.u.)  Raman activity (A**4/amu)                                            
                                   ----------------------------------------------------                                   
                                           0.050000            75.0880                                                    
                                           0.100000            86.5829                                                    
                                                                                                                          
                                                                                                                          
* Info * Full vibrational analysis results written to: acro-rr-vib-results.out                                            
                                                                                                                          
!========================================================================================================================!
!                               VeloxChem execution completed at Mon Mar  9 17:11:50 2026.                               !
!========================================================================================================================!
!                                          Total execution time is 200.35 sec.                                           !
!========================================================================================================================!
!                     Rinkevicius, Z.; Li, X.; Vahtras, O.; Ahmadzadeh, K.; Brand, M.; Ringholm, M.;                     !
!                              List, N. H.; Scheurer, M.; Scott, M.; Dreuw, A.; Norman, P.                               !
!                     VeloxChem: A Python-driven Density-functional Theory Program for Spectroscopy                      !
!                                Simulations in High-performance Computing Environments.                                 !
!                                       WIREs Comput Mol Sci 2020, 10 (5), e1457.                                        !
!========================================================================================================================!
