Dear Lukas,<div>in DFT you cannot specify individual charges - they get assigned to the 'best' (lowest energy) locations. You can only specify the overall charge of the system and the multiplicity (S(S+!)) by the CHARGE and MULTIPLICITY keywords in the DFT section - if MULTIPLICITY is not 1 you need to also set UKS = .TRUE.</div><div>Matt</div><div><br><br></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Wednesday, 14 September 2022 at 17:12:25 UTC+1 mdsimula...@gmail.com wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Can you submit your input?<br><br><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Wednesday, September 14, 2022 at 9:19:58 AM UTC-4 <a href data-email-masked rel="nofollow">krieger...@googlemail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Dear all, I am a master student in physics and completely new to cp2k. I would like to perform an electronic structure calculation of heme in a quintuplet state (S=2). I then get the error "<span><span>LSD: try to use a different multiplicity" and I assume that it is due to the fact that cp2k treats the Fe2+-ion in the centre of the heme group as a uncharged Fe-atom. Does someone know how to adjust the charge for the iron-ion and in worst case also the (partial) charges of the C, H, N and O-atoms inside the molecule so that cp2k takes the correct number of electrons?</span><br></span></div><div><br></div><div>Thanks in advance,</div><div><br></div><div>Lukas<br><span></span></div><div><span></span></div></blockquote></div></blockquote></div>
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