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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Dear Wannier90 developers and users,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am trying to study the parity of bands. I found that there is an option in the pw2wannier90, which can provide the parity of bands. <o:p></o:p></p><p class=MsoNormal>However, I encounter an error message “incorrect number of g-vectors extracted” when adding “write_unkg= .true.”. I try to look at the pw2wannier90.f90 file but I can not find the reason why this error happens. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Could you give me hints to solve this issue? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The system I am studying is a non-colinear spin calculation including spin-orbit coupling. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you for all your help in advance. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>With best wishes,<o:p></o:p></p><p class=MsoNormal>Loc <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>-- <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>Best regards, </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>-----------------------------------------------<br>Dinh Loc Duong, PhD</span><span style='font-family:"Helvetica",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>Assistant Professor, Department of Energy Science, Sungkyunkwan University<br>Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science<br>Room 86388, N-Center, Suwon Campus, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do,</span><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:#777777;background:#F9F9F9'> </span><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>Korea (16419)</span><span style='font-family:"Helvetica",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:black'>Phone: +82-31-299-4055 <br>Email: <a href="mailto:ddloc@skku.edu" target="_blank"><span style='color:blue'>ddloc@skku.edu</span></a>, <a href="mailto:mambom1902@gmail.com" target="_blank"><span style='color:blue'>mambom1902@gmail.com</span></a></span><span style='font-family:"Helvetica",sans-serif;color:black'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>