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              About the How To category
            
            
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            0
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            1006
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            July 1, 2020
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              EOMCCSDT calculations
            
            
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            2
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            213
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            September 29, 2025
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              Irreducible representation of electrons
            
            
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            1
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            135
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            October 3, 2025
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              Fuller context of error messages
            
            
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            1
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            164
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            September 24, 2025
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              NTO Analysis 
            
            
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            9
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            345
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            August 17, 2025
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              TDDFT-1D Convergence Issue
            
            
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            8
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            358
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            July 30, 2025
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              How to do PES of a specific singlet excited state
            
            
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            2
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            361
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            June 2, 2025
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              Getting whole set of OPDMs and Dyson orbitals
            
            
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            2
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            368
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            May 23, 2025
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              How to generate NTO cube files for EOM-EE calculations?
            
            
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            4
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            1015
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            May 18, 2025
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              How to use ccsd to get analytical polarizability
            
            
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            3
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            435
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            May 14, 2025
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              Simulating Vibronic and Resonance Raman Spectroscopy Using the VIBRONIC module of Q-Chem
            
            
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            9
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            2904
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            April 30, 2025
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              How to Save Localized Orbitals?
            
            
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            3
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            405
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            March 20, 2025
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              Restart calculation using .fchk file
            
            
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            2
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            466
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            March 3, 2025
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              Setting up emission calculation with ptSS-PCM
            
            
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            2
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            442
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            February 21, 2025
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              How to use the qarchive file with IQmol
            
            
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            0
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            407
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            January 18, 2025
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              Generating spectra from snapshots
            
            
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            3
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            451
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            December 3, 2024
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              Natural orbitals (NOs) in tddft
            
            
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            1
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            449
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            November 26, 2024
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              Use existing MOs without new SCF cycle
            
            
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            2
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            495
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            November 22, 2024
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              How to set up a "water interaction" optimization calculation?
            
            
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            1
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            450
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            November 21, 2024
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              Explicit Solvation Models in Q-Chem
            
            
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            2
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            744
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            November 1, 2024
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              TS search without exact hessian
            
            
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            5
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            471
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            October 29, 2024
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              Q chem software
            
            
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            3
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            609
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            October 10, 2024
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              Modifying orbital occupancy
            
            
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            3
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            632
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            September 3, 2024
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              HOMO-LUMO in SF-TDDFT method
            
            
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            7
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            1087
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            August 20, 2024
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              Iqmol 3 (latest version)
            
            
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            2
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            1217
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            August 12, 2024
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              How to fix this problem?
            
            
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            1
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            688
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            July 15, 2024
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              How fix the message " illegal primitive type " when open wfn file using AIM2000
            
            
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            3
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            580
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            June 27, 2024
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              Global density dependent (GDD) tuning procedure
            
            
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            3
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            719
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            April 17, 2024
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              Finding Max and Min values of avg local ionisation energy from a cube file
            
            
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            1
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            573
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            April 2, 2024
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              How to run DEA-CCSD calculations
            
            
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            5
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            762
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            March 28, 2024
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