<div dir="ltr">Dear Thomas,<div><br></div><div>many thanks for your reply!</div><div><br></div><div>regards,</div><div>chn</div><div><br></div><div><br><br>在 2020年6月7日星期日 UTC+8下午6:45:53，tkuehne写道：<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div style="word-wrap:break-word;line-break:after-white-space">Dear Can, <div><br></div><div>if not all vibrational modes are necessary, e.g. for the substrate, the best </div><div>way to save computational time is to use the MODE_SELECTIVE option. </div><div><br></div><div>Best, </div><div>Thomas</div><div><div><br><blockquote type="cite"><div>Am 05.06.2020 um 09:35 schrieb Chn <<a href="javascript:" target="_blank" gdf-obfuscated-mailto="5El1IvkpAgAJ" rel="nofollow" onmousedown="this.href='javascript:';return true;" onclick="this.href='javascript:';return true;">ch...@gmail.com</a>>:</div><br><div><div dir="ltr">Dear experts in CP2K,<div><br><div>I am a beginner of CP2K package and I am really thankful if my naive question can be explained.<br></div><div>The model is PdCd (111) with small molecule adsorbed on it. When performing a GEO_OPT calculation, I added the keyword "UKS" for spin-polarized calculation in the section "DFT", due to the transition metals that are Pd and Cd atoms in the system according to the tutorials online. However it requires me about three times higher times for the calculation. For the vibrational analysis of the adsorbed molecule, a very tight threshold is needed for "EPS_SCF" to get accurate low frequencies, it will take me too much time. I do not know weather the keyword "UKS" is still necessary here.</div><div>Many thanks in advance!</div><div><br></div><div><div>Regards,</div><div>chn</div></div></div></div><div><br></div>

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