<div dir="ltr">Hello <div>I would first try lowering the conv_thr in the &electron name list something 1.d-8 1.d-9. The current value doesn't warrant an accurate enough evaluation of the forces. </div><div>If bfgs continues failing you could try to minimize the structure using damped dynamics (set ion_dynamics='damp' in the &ion namelist). </div><div><br></div><div>Hope this helps. </div><div>By the way, for this kind of questions the user mailing list ( <a href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a>) is more appropriate. <br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Pietro Delugas</div><div>SISSA - Trieste <br></div><span style="background-color:rgb(255,0,0)"><span style="background-color:rgb(255,255,255)"><span></span></span></span><span style="background-color:rgb(255,255,255)"><span></span><span></span></span><span style="background-color:rgb(243,243,243)"><span></span></span><font color="#ff0000">MAX - European Center of Excellence</font><br></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 7, 2022 at 2:03 PM Aditi Chandrasekar <<a href="mailto:aditi.chandrasekar@apu.edu.in">aditi.chandrasekar@apu.edu.in</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 dir="ltr">I am doing a geom opt.<div><br></div><div> Error in routine bfgs (1):<br> step_old is NOT normalized<br></div><div><br></div><div>This is the error I am getting. Please let me know the issue. I changed smearing to gaussian from mv as recommended from an internet search on this issue. </div><div><br></div><div>Please see the attached input file. </div></div>
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