<div dir="ltr"><div>Remove "epsil=.true.": there are no macroscopic electric fields associated to phonons in metallic systems. Note that the code assumes that if you use smearing, your material is a metal, irrespective whether it has a gap or not.<br><br></div>Paolo<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Sep 28, 2017 at 3:42 PM, Jibiao Li <span dir="ltr"><<a href="mailto:jibiaoli@foxmail.com" target="_blank">jibiaoli@foxmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>Dear QE community,</div><div><br></div><div>I am new to phonon calculations, and trying to calculate phonons at gamma point for CO adsorbed on Fe(100), but the run stopped with the error below. Could you please help me remove the error?</div><div><br></div><div><div><br></div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%</div><div> Error in routine phq_readin (1):</div><div> no elec. field with metals</div><div> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%</div><div><br></div><div> stopping ...</div><div><br></div></div><div>Jibiao Li</div><div><br></div><div>Yangtze Normal University, China</div><div><br></div><div>phonons at Gamma</div><div> &inputph</div><div> tr2_ph=1.0d-14,</div><div> prefix='HbB.1ml',</div><div> epsil=.true.,</div><div> amass(1)=15.999,</div><div> amass(2)=12.001,</div><div> amass(3)=55.850,</div><div> outdir='/home/bmllzr/calc/CO_<wbr>Fe100/HbBs.1ml.3b3.QE/',</div><div> fildyn='HbB.dynG',</div><div> /</div><div>0.0 0.0 0.0</div></div><div><br></div><br>______________________________<wbr>_________________<br>
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