<div>Dear <span>Dialogicus!</span></div><div><span>The stress tensor in LAPW+lo is not implemented. AFAIK no LAPW code has it. Forces should work, but they were never tested in cp2k/sirius/lapw mode. <br></span></div><div><span><br></span></div><div><span>With best regards,</span></div><div><span>Anton.<br></span></div><br><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Wednesday, July 6, 2022 at 4:27:54 PM UTC+2 Dialogicus 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 CP2K users and developers,</div><div><br></div><div>Can I perform geometry or cell optimization in LAPW+lo method using CP2K and SIRIUS combination?</div><div><br></div><div>I have tried pseudopotential PW calculations for LiF and Si crystals and found good results for stress tensor and forces. The LAPW+lo single point energy calculations are also fine. However, when I apply LAPW+lo method for GEO_OPT my run fails at the the first optimization step.</div><div><br></div><div>Does it mean that CP2K cannot be used to optimize geometry in LAPW+lo framework?<br></div></blockquote></div>
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