Dear Zheng<div><br /></div><div>The problem is the wave function optimization that does not converge. Hence the computed forces are also wrong.</div><div>Before starting the geometry optimization is advisable to search for suitable DFT settings that provide a reliable electronic structure. </div><div><br /></div><div>Regards</div><div>Marcella<br /><br /></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Friday, February 17, 2023 at 2:24:09 AM UTC+1 z gao 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;">Hi everyone,<div>I tried to geometrically optimize the structure, but after several attempts, the result still does not converge.</div><div>Can you suggest some solutions? Thank you very much!</div><div><br></div><div>Best,</div><div><br></div><div>zheng</div></blockquote></div>
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