<div>Hallo,</div><div><br /></div><div>I want to calculate RESP charges for a COF structure with pbc in x and y direction. For ease I put vacuum on top to get the charges of a singular layer. This procedure worked out for another structure with 66 atoms. </div><div><br /></div><div>For this structure which has 132 atoms, the single point energy calculation FAILS! The energy quickly diverges if I consider a large box in z direction, but converges if I have a smaller box. What is the reason for that? At the P_Mix step it diverges, I cannot even get to DIIS minimizer!</div><div><br /></div><div>I have attached the input file resp.inp, the only thing changed between runs is the cell in z direction from 16 A to 10 A as well as the xyz structure and the output for the large cell. The working output.dat is also attached. Note again that the only thing which I changed is the smaller cell.</div><div><br /></div><div>Any input is appreciated, as I do not understand why the cell size makes the energy diverge!</div><div><br /></div><div>Sincerely, </div><div>Andreas Doell</div>
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