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    Multiwfn official website: http://www.shanxitv.org/multiwfn. Multiwfn forum in Chinese: http://bbs.keinsci.com/wfn

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    #1 Re: Multiwfn and wavefunction analysis settings.ini issue 2025-06-23 10:11:11

    Rookie mistake: I set radpot and sphpot in settings.ini but Multiwfn kept using defaults. Turns out iautointgrid= 1 was silently overriding them. Switched it to 0, problem solved.

    #2 Re: Multiwfn and wavefunction analysis settings.ini issue 2025-06-23 09:47:30

    It's a Windows version. I've set Multiwfnpath but it doesn's seem to work.

    #3 Multiwfn and wavefunction analysis settings.ini issue 2025-06-18 09:47:25

    forrestg
    Replies: 4

    Multwifn doesn't seem to read the contents of settings.ini properly. I have modified a relevant part of the settings.ini:

    radpot= 150
    sphpot= 974

    restarted the Multiwfn, went to PDI analysis just to get:

    Allocating memory...
    Radial points:   45    Angular points:  170   Total:      7650 per center
    ...
    To improve accuracy, please try one or some of following treatments:
    (1) Enlarge "radpot" and "sphpot" in settings.ini
    (2) Set "radcut" in settings.ini to 0
    (3) Choose option -6 to change to much more expensive molecular grid
    (4) If diffuse functions were heavily employed, remove them.

    Does anyone know how to fix this?

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