<div dir="ltr"><div dir="ltr">On Sat, Nov 14, 2020 at 9:07 PM Husak Michal <<a href="mailto:Michal.Husak@vscht.cz">Michal.Husak@vscht.cz</a>> wrote:<br></div><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">For conv_thr the units are missing in the manual (but is is probably (a.u.)<br></blockquote><div><br></div><div>From the header:</div><div><br></div><div> All quantities whose dimensions are not explicitly specified are in RYDBERG ATOMIC UNITS</div><div><br></div><div>and from the description of conv_thr:</div><div><br></div><div> Convergence threshold for selfconsistency:<br> estimated energy error < conv_thr<br> (note that conv_thr is extensive, like the total energy).<br></div><div><br></div><div>So conv_thr is an energy, and is in Ry.<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">
ecutrho equivalent is impossible to find in any CASTEP manual</blockquote><div><br></div><div>CASTEP uses norm-conserving pseudopotentials only, if I remember correctly, so the cutoff on the charge density (ecutrho) can be set to ecutrho=4*ecutwfc.<br></div><div><br></div><div>Paolo<br></div>-- <br></div><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 208, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br></div></div></div></div></div></div>