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    #2 Multiwfn and wavefunction analysis MultiWFN stops when reading fchk or wfn file 2021-05-04 12:16:29

    bilstone
    Replies: 2

    I try to analyze the wfn or fchk file (
    B2H2-D.wfn) from a gaussian B3LYP calculation of the di-cation [H-B-B-H]++. However, MultiWFN stops with:

    Selected file: C:\Users\bilst\Documents\B2H2-D.wfn
    Please wait...

    Total energy:     -49.827487672747 Hartree,   Virial ratio:  2.01037388
    Total/Alpha/Beta electrons:     10.0000      5.0000      5.0000
    Net charge:     2.00000    Expected multiplicity:    1
    The number of orbitals:     5,  Atoms:      4,  GTFs:     80
    This is a restricted closed-shell single-determinant wavefunction
    Title line of this file:  [B2H2]++

    Loaded C:\Users\bilst\Documents\B2H2-D.wfn successfully!
    Formula: H2 B2
    Molecule weight:        23.63794 Da

    It does not continue to the menu, even if I wait for a couple of minutes. When I, however, add one electron ([H-B-B-H]+; one unpaired electron) and force the molecule to stay linear, it works without problems.

    I used Gaussian 16 Rev A.03 and I can analyse other wfn or fchk files from different systems. I even downloaded the latest windows 64 binary from the MultiWNF website - no improvement. For some reasons, there seems to be an issue with the di-cation.

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