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    #1 Multiwfn and wavefunction analysis ESP at nuclear position vs ESP at CP of nucleus 2025-02-03 22:16:53

    MLM211
    Replies: 1

    Hi,

    I have been using Multiwfn to try and do topology analysis. I've noticed a discrepancy in values, and was wondering which value is appropriate. I followed the procedure in 4.1.2 in the manual emulating getting dVnuc like Suresh's work.
    If I submit a1, I get:
    Total ESP:  0.9771869440E+03 a.u. ( 0.2659061E+05 eV, 0.6131946E+06 kcal/mol)
    Total ESP without contribution from nuclear charge of atom     1:
    -0.5916237480E+01 a.u. ( -0.1609890E+03 eV, -0.3712498E+04 kcal/mol)

    Now, if I use the same input file and submit:
    2
    2
    3
    0

    get CPs and coordinates I get this line for atom1:
    7    0.33664193   -0.14486139    1.08024924   (3,-3)   Nucleus:    1(La) (in Bohr)

    If I go back to 1 Output all properties at a point
    and submit
    0.33664193   -0.14486139    1.08024924
    and select that these coordinates are in bohr I get:
    Total ESP:  0.3456113230E+10 a.u. ( 0.9404562E+11 eV, 0.2168746E+13 kcal/mol)

    Can you explain which value is more applicable to MESP topology analysis and using dV values like Suresh's work?

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