<div dir="ltr"><div dir="ltr">On Tue, Jun 22, 2021 at 8:04 AM 526587466 via users <<a href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<br><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px">For the 1H-MoS2 <span style="line-height:22.4px">monolayer, its symmetry should be D_3h (P-6m2) #187 space group. However, the QE (6.6 version) prints </span><span style="line-height:22.4px">D_3h (-62m), is it (P-62m) #189 space group? </span></div></div></div></blockquote><div><br></div><div>no: QE prints D_3h as point group, with the alternate name -62m. Depending upon which axis has symmetry of order 2, in the space group a D_3h point group is sometimes referred to as -6m2 instead of -62m, but here no attempt is done to identify the space group.</div><div><br></div><div>Paolo (with help from Andrea Dal Corso)<br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style="font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;font-size:14px;line-height:1.6"><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px"><span style="line-height:22.4px"><br></span></div><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px"><span style="line-height:22.4px">Thanks.</span></div><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px"><span style="line-height:22.4px"><br></span></div><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px"><span style="line-height:22.4px">YP</span></div><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px"><span style="line-height:22.4px"><br></span></div><div style="color:rgb(49,53,59);font-family:微软雅黑,Verdana,"Microsoft Yahei",SimSun,sans-serif;line-height:22.4px"><span style="line-height:22.4px">HTU</span></div>
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<a href="https://lists.quantum-espresso.org/mailman/listinfo/users" rel="noreferrer" target="_blank">https://lists.quantum-espresso.org/mailman/listinfo/users</a></blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>Univ. Udine, via delle Scienze 206, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br></div></div></div></div></div></div>