<div dir="ltr"><div>Hello Sergey,</div><div>that is strange. I have tried some simple tests too, but I could not reproduce your issue. An equivalent way to activate the scan mgga functionals is to put: input_dft = 'MGGA_X_SCAN MGGA_C_SCAN'</div><div>You can try with that, but if it still doesn't work, I think I would need more details about your input in order to find the issue.</div><div>Cheers<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, May 25, 2020 at 8:16 PM Sergey Lisenkov <<a href="mailto:proffess@yandex.ru">proffess@yandex.ru</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>Hello Fabrizio,</div><div> </div><div>yes, it is compiled with libxc support. Without it, pw.x complains immediately, that it should be compiled with Libxc library (or something like that).</div><div><br></div><div><br></div><div>25.05.2020, 17:21, "Fabrizio Ferrari" <<a href="mailto:ferrariruffino.fz@gmail.com" target="_blank">ferrariruffino.fz@gmail.com</a>>:</div><blockquote><div dir="ltr"><div>Hello,</div><div>in your case (scan) that error should come out only if libxc has not been properly linked during compilation. Have you tried runs with other libxc functionals (not necessarily mGGA)? Do they work?</div><div>Just in case you want to check, to properly compile with libxc, after the qe configuration, you have to add the requested flags in the make.inc file at 'DFLAGS', 'IFLAGS' and 'LD_LIBS' (you can follow the nearby comments).<br></div><div>Fabrizio<br></div><div><br></div></div><br><div><div dir="ltr">On Mon, May 25, 2020 at 1:28 PM Sergey Lisenkov <<a href="mailto:proffess@yandex.ru" target="_blank">proffess@yandex.ru</a>> wrote:<br></div><blockquote style="border-left:1px solid rgb(204,204,204);margin:0px 0px 0px 0.8ex;padding-left:1ex"><div>Hello,</div><div> </div><div>I noticed that some people run SCAN calculations with QE v.6.5. I tried this, but my test has failed.</div><div> </div><div>I compiled 6.5 version with LibXC-4.3.4. When I activate "input_dft = 'scan'" in my input file,</div><div> </div><div>I get the following error just before first scf step:</div><div> </div><div>....</div><div> </div><div><div><div> total cpu time spent up to now is 1.0 secs</div><div> </div><div> Self-consistent Calculation</div><div> </div><div> iteration # 1 ecut= 100.00 Ry beta= 0.70</div><div> Davidson diagonalization with overlap</div><div> ethr = 1.00E-05, avg # of iterations = 14.0</div><div> </div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div> </div><div> Error in routine tau_xc (5):</div><div> </div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div> </div><div> </div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div> </div><div> This case is not implemented</div><div> </div><div> </div><div> </div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</div><div> Error in routine tau_xc (5):</div><div> This case is not implemented</div><div> Error in routine tau_xc (5):</div><div> </div><div>Am I missing something? It is simple "scf" calculation with ONCVPSP pseudopotentials.I even tried SCAN pseudo without 'input_dft' option and still got the same error.</div><div> </div><div>Thanks,</div><div>Sergey</div><div> University of South Florida.</div></div></div>_______________________________________________<br>
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