[CP2K-user] [CP2K:19578] SCF convergence of PBC

Krack Matthias matthias.krack at psi.ch
Mon Nov 27 14:33:56 UTC 2023


Hi K.AK

The atomic coordinates in your input file does not seem to represent any reasonable MOF structure. Check unit cell and atomic coordinates carefully. I suggest to use the POSCAR(VASP) export of VESTA. Then convert that file to a xyz file by hand or use babel.

HTH

Matthias

From: cp2k at googlegroups.com <cp2k at googlegroups.com> on behalf of K.AK <koshima02 at gmail.com>
Date: Monday, 27 November 2023 at 07:50
To: cp2k <cp2k at googlegroups.com>
Subject: [CP2K:19581] SCF convergence of PBC
Dear experts,

I asked the same question in an earlier email.

Now, I performed MOF structure optimization by cp2k software.
I have performed the calculations under the default periodic conditions of the attached input file.But, SCF did not converge.

I changed OT from default to PRECONDITIONER FULL_SINGLE_INVERSE.
The SCF convergence did not change before and after.

Could you advice me what I should modify in the input file? Should I change the cell structure and how do I modify it?

The input and output files have been attached below.

Many thanks,
K.AK.
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