<html dir=""><head><style id="axi-htmleditor-style" type="text/css">p { margin: 0px; }</style></head><body style="font-size: 10pt; font-family: Arial; background-image: none; background-repeat: repeat; background-attachment: fixed;"><font face="Arial"><span style="font-size: 10pt;"></span></font><div><font face="Arial"><span style="font-size: 10pt;">Both calculations converged to -cc 0.0001 before 40 cycles, but the case with previous .clm converged rapidly. Actually i test these two calculation to be sure that the results are same or not. As i know in volume optimization also the old .clm use for next volume by </span></font><b style="font-family: helvetica, arial, sans-serif; font-size: 14px; line-height: 19.6000003814697px; background-color: rgb(255, 255, 255);">clmextrapol_lapw </b><span style="background-color: rgb(255, 255, 255);"><font face="helvetica, arial, sans-serif"><span style="font-size: 14px; line-height: 19.6000003814697px;">technique. I use this technique and the result was different with the case without using previous .clm. </span></font></span></div><div><span style="font-family: Arial; font-size: 10pt;"> Also i use GGA-PBE as xc-potential.</span></div><div style="font-family: Arial; font-size: 10pt;">Can the value of the k-points be matter? </div></body></html>