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#3Re:Multiwfn and wavefunction analysis»Quadrapole and octupole»2020-06-20 02:54:49

I really appreciate your effort!
I have two questions. 1) is it possible to get quadrupole octupole moment matrices through Multiwfn? I have density matrices in an unusual format. so I want to read the density and operator matrix and calculate matrix multiplication with operator and get a trace of it.
2) I downloaded and check the 3.7(dev) source file but I couldn't find quadrupole/octupole moment integral functions in integral.f90 which I expect to contain the functions. Did you only upload binary files? (I didn't check binary yet)

#4Re:Multiwfn and wavefunction analysis»Quadrapole and octupole»2020-06-19 02:05:04

Yes!! I need it!! I really appreciate for adding those features~ Can you estimate the development period for those features?

#5Multiwfn and wavefunction analysis»Quadrapole and octupole»2020-06-18 14:41:51

Sunghwan Choi
Replies: 8

Hi, I'm a newbie.
In order to calculate electric quadrupole and octupole from the density matrix, I need quadrupole and octupole momentum matrices
For dipole moment, Manual (section 3.200.2) tells details but I cannot find how to build quadrupole and octupole momentum matrices.
Is it possible to build those matrices through Multiwfn?

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