<div dir="ltr"><div>Dear Satyanarayana B,<br></div><div><br></div><div> Indeed the energy does not "drift", it explodes. What did happen in an NVT simulation with otherwise the same input, did the simulation work fine?</div>
<div><br></div><div> To me the cut-off energy of 350 Ry looks low, even with the PBE functional (smoother than BLYP); did you test that it is sufficient?</div><div><br></div><div> Greetings from Zurich,</div><div><br>
</div><div> apsi</div><div><br></div><div>PS Does some one know, are the methods in &XC_GRID ... &END XC_GRID consistent with an NPT simulation?</div><div class="gmail_extra"><br><br><div class="gmail_quote">
2013/9/19 Matt W <span dir="ltr"><<a href="mailto:MattWa...@gmail.com" target="_blank">MattWa...@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div>Hi,<br></div><div><br></div><div>well your system is clearly exploding. Your cell_ref parameters look inconsistent with your actual cell - maybe the stress tensor is very bad!</div><div class="im"><div>
<br></div><div> &SUBSYS</div><blockquote class="gmail_quote" style="margin:0;margin-left:0.8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div> &CELL</div><div> ABC 21.8620 16.2099 43.6020</div>
<div> ALPHA_BETA_GAMMA 90.0 92.7540 90.0</div><div> &CELL_REF</div><div> ABC 22.8620 17.2099 44.6020</div><div> ALPHA_BETA_GAMMA 90.0 126.0 90.0</div><div> &END CELL_REF</div><div> </div>
<div> &END CELL</div><div><br></div></div></div></blockquote></div></div><div class="HOEnZb"><div class="h5">
<p></p>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br>-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-<br> Ari P Seitsonen / <a href="mailto:Ari.P.S...@iki.fi">Ari.P.S...@iki.fi</a> / <a href="http://www.iki.fi/~apsi/">http://www.iki.fi/~apsi/</a><br>
Physikalisch-Chemisches Institut der Universität Zürich<br> Tel: +41 44 63 55 44 97 / Mobile: +41 79 71 90 935
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