<div dir="ltr">I may solve the problem by setting the iqtlsave parameter to zero in case.in2. But upto 8th structure I have obtained converged SCF by setting the iqtlsave to one. Is it proper to set it zero from the 9th structure onwards?<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 18 Nov 2022 at 11:32, shamik chakrabarti <<a href="mailto:shamik15041981@gmail.com">shamik15041981@gmail.com</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">Dear Wien2k users,<div><br></div><div> I have tried to optimized a structure with option 7 in x optimize. It ran up to 8th structure well. However during running 9th structure it stops with an error; .</div><div>" Semicore band ranges too large".</div><div><br></div><div>I have attached the structure. </div><div><br></div><div>Looking forward to hearing from you.</div><div><br></div><div>with regards,<br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:small">Dr. Shamik Chakrabarti</div><div style="font-size:small">Research Fellow </div><div style="font-size:small">Department of Physics</div><div style="font-size:small">Indian Institute of Technology Patna</div><div style="font-size:small">Bihta-801103</div><div style="font-size:small">Patna</div><div style="font-size:small">Bihar, India</div></div></div></div></div></div></div></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:small">Dr. Shamik Chakrabarti</div><div style="font-size:small">Research Fellow </div><div style="font-size:small">Department of Physics</div><div style="font-size:small">Indian Institute of Technology Patna</div><div style="font-size:small">Bihta-801103</div><div style="font-size:small">Patna</div><div style="font-size:small">Bihar, India</div></div></div></div></div></div></div></div>