<div dir="ltr"><div dir="ltr">On Tue, Feb 22, 2022 at 9:38 AM Lorenzo Mariano <<a href="mailto:antonio-lorenzo.mariano@grenoble-inp.fr">antonio-lorenzo.mariano@grenoble-inp.fr</a>> wrote:</div><div dir="ltr"><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"><div><div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)"><div>I am running phonons calculations using QE 6.4. When I use PBE+D3, everything converges without any warning or error message even if phq_readin.f90 is supposed to complain because of the use of grimme-D3 correction. Am I computing phonons with PBE-D3 or not? <br></div></div></div></blockquote><div><br></div><div>no, for two reasons:</div>- your scf calculation was not done with DFT-D3, and<br><div>
<div>- it is not implemented anyway.</div><div><br></div>
Demostration:</div><br></div><div class="gmail_quote">$ grep -A1 dftd3 qe-6.4/PHonon/PH/*f90<br><div>[...]</div><div>qe-6.4/PHonon/PH/phq_readin.f90: IF (ldftd3) CALL errore('phq_readin',&<br>qe-6.4/PHonon/PH/phq_readin.f90- 'The phonon code with Grimme''s DFT-D3 is not yet available',1)</div><div><br></div><div>Paolo</div><div><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><div style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)"><div><br>Best regards, <br><br>L. Mariano, </div><div>Simap laboratory</div><div> Grenoble (France) <br></div></div></div>_______________________________________________<br>
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