<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-2022-jp"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="en-CH" link="blue" vlink="purple" style="word-wrap:break-word"> <div class="WordSection1"> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Hi Geng<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Did you try to add k points already, because you have bulk metal system?<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">HTH<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Matthias<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"> <p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt"> <b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">cp2k@googlegroups.com <cp2k@googlegroups.com> on behalf of GENG YUAN <yuangeng0821@gmail.com><br> <b>Date: </b>Thursday, 4 May 2023 at 17:36<br> <b>To: </b>cp2k <cp2k@googlegroups.com><br> <b>Subject: </b>Re: [CP2K:18765] Bulk nickel optimization cannot converge under specific multiplicity<o:p></o:p></span></p> </div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Hi Matthias, <o:p></o:p></span></p> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Many thanks for your advice, yes, I tried higher temperature at 1000 and 1500 K for both cases. <o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Still, the optimization with default value of multiplicity (1) could converge at either 1000K or 1500K, but it couldn't converge with multiplicity of 193 under these higher temperatures.<o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Should I try much higher temperatures or please let me know if you have any other thought.<o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p> </div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Sincerely,<o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt"> <span style="font-size:11.0pt">Geng<o:p></o:p></span></p> </div> <div> <div> <p class="MsoNormal" style="margin-left:36.0pt"><span lang="EN-GB" style="font-size:11.0pt;font-family:"MS Gothic"">在</span><span style="font-size:11.0pt">2023</span><span lang="EN-GB" style="font-size:11.0pt;font-family:"MS Gothic"">年</span><span style="font-size:11.0pt">5</span><span lang="EN-GB" style="font-size:11.0pt;font-family:"MS Gothic"">月</span><span style="font-size:11.0pt">4</span><span lang="EN-GB" style="font-size:11.0pt;font-family:"MS Gothic"">日星期四</span><span style="font-size:11.0pt"> UTC-4 03:11:14<Krack Matthias> </span><span lang="EN-GB" style="font-size:11.0pt;font-family:"MS Gothic"">写道：</span><span style="font-size:11.0pt"><o:p></o:p></span></p> </div> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm"> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="DE-CH" style="font-size:11.0pt">Hi</span><span style="font-size:11.0pt"><o:p></o:p></span></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="DE-CH" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US" style="font-size:11.0pt">Did you try already a larger smearing temperature than 500 K?</span><span style="font-size:11.0pt"><o:p></o:p></span></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US" style="font-size:11.0pt">Matthias</span><span style="font-size:11.0pt"><o:p></o:p></span></p> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"> <span lang="EN-US" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p> <div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"> <p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:72.0pt"> <b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black"><span class="MsoHyperlink">cp...@googlegroups.com</span> <<span class="MsoHyperlink">cp...@googlegroups.com</span>> on behalf of GENG YUAN <<span class="MsoHyperlink">yuange...@gmail.com</span>><br> <b>Date: </b>Wednesday, 3 May 2023 at 20:03<br> <b>To: </b>cp2k <<span class="MsoHyperlink">cp...@googlegroups.com</span>><br> <b>Subject: </b>[CP2K:18760] Bulk nickel optimization cannot converge under specific multiplicity</span><span style="font-size:11.0pt"><o:p></o:p></span></p> </div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt">Dear all,<o:p></o:p></span></p> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt"> <o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt">I am trying to optimize a bulk nickel with 96 atoms. As Ni is supposed to be ferromagnetic, I performed the optimization with a multiplicity of 96*2+1=193 but the energy couldn't converge within 500 SCF steps. However, I found that it could converge if I only change the multiplicity to its default value (1). <o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt"> <o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt">My inputs and outputs for both cases are attached, the only difference between these two cases is the multiplicity in the input file (one is 1 while the other is 193). I am wondering why the optimization couldn't converge with the specific multiplicity and I would appreciate any ideas on how to figure out this issue.<o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt"> <o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt">Many thanks,<o:p></o:p></span></p> </div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt">Geng<o:p></o:p></span></p> </div> </div> </div> <div> <div> <p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"> <span style="font-size:11.0pt">-- <br> You received this message because you are subscribed to the Google Groups "cp2k" group.<br> To unsubscribe from this group and stop receiving emails from it, send an email to <span class="MsoHyperlink">cp2k+uns...@googlegroups.com</span>.<br> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/8c533b46-b7bd-469b-8e31-4b6558f7dd13n%40googlegroups.com?utm_medium=email&utm_source=footer" target="_blank"> https://groups.google.com/d/msgid/cp2k/8c533b46-b7bd-469b-8e31-4b6558f7dd13n%40googlegroups.com</a>.<o:p></o:p></span></p> </div> </div> </blockquote> </div> <p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">-- <br> You received this message because you are subscribed to the Google Groups "cp2k" group.<br> To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/1ec0b12b-8c7c-4712-99ee-9aab7ea89dfbn%40googlegroups.com?utm_medium=email&utm_source=footer"> https://groups.google.com/d/msgid/cp2k/1ec0b12b-8c7c-4712-99ee-9aab7ea89dfbn%40googlegroups.com</a>.<o:p></o:p></span></p> </div> </body> </html> <p></p> -- <br /> You received this message because you are subscribed to the Google Groups "cp2k" group.<br /> To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br /> To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/ZRAP278MB08270232F3F8F604064B23D8F46D9%40ZRAP278MB0827.CHEP278.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/ZRAP278MB08270232F3F8F604064B23D8F46D9%40ZRAP278MB0827.CHEP278.PROD.OUTLOOK.COM</a>.<br />