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COHP calculations Issue

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    masoud37
    wrote on 3 Apr 2025, 15:21 last edited by
    #1

    Dear Colleagues,

    I am trying to compute the total COHP for a system containing 20 atoms, including four different elements. Although I have included all bonds in the input file, the output file appears to contain DOS instead of COHP.

    I have attached both the input and output files for reference. I would greatly appreciate any guidance on how to obtain the correct COHP for my system.

    Best regards,
    Masoud
    COHP.DAT INPUT.d12

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      AntonioGB
      wrote on 3 Apr 2025, 22:40 last edited by
      #2

      Dear masoud37,

      At least if you are running with runprop (or runPprop), the human-readable output file of the properties calculation always has the extension .outp. You can plot the result straight away in https://crysplot.crystalsolutions.eu/ -> Density of states -> CRYSTAL ORBITAL HAMILTONIAN POPULATION by selecting the formatted output file, which in your case should have the extension .f25 (this is because you selected IPLO=1, or line 5 - column 17 in the .d12). In this case I think the .dat file is irrelevant, although I may be wrong with that.

      On the other hand, maybe this topic should be moved to the Single-point subcategory.

      Regards,
      Antonio

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        aerba Developer
        wrote on 8 Apr 2025, 10:16 last edited by
        #3

        Hi,

        Can you try to re-run the COHP calculation by using:

        COHP
        16 500 200 360  2 12  0
        

        instead of

        COHP
        16 500 200 360  1 12  0
        

        This should generate a file COHP.DAT
        Let me know how this goes.

        Alessandro Erba
        Professor of Physical Chemistry
        Department of Chemistry, University of Torino
        alessandro.erba@unito.it

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        • undefined dmitoli moved this topic from Response Properties (CPHF/KS) on 8 Apr 2025, 11:33

        3/3

        8 Apr 2025, 10:16

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