Dear Gary, start with lapw1 (don't forget -qtl) and then lapwso. Kind regards, Karel On Fri, 17 May 2024, Gary Amini wrote: > Dear all, > > When calculating DOS with SOC, is it correct to do > > x lapw2 -so -up -qtl > x lapw2 -so -dn -qtl > > x tetra -up -so > x tetra -dn -so > > or should we run lapwso also? > > Best, > Gary > >