Almost everything is wrong. We have described this in detail only a few weeks before. You must search the mailing list.

x lapw1 -orb -up -p
x lapw1 -orb -dn -p
x lapwso -orb -up -p

This would "double count" the orbital potential. In spin-orbit calculations -orb switch MUST be added ONLY in the lapwso step.


cp case.outputso_1 case.outputso_1...> case.output1

I don't know which kind of parallel calculation you did. But when it is k-parallel, you need to concatenate ALL outputsoup_* files into a single file: Do a ls -rtals after the lapwso step. What are the names of the files that have been created. Of course, ALL outputso_* files must be taken.

cat case.outputso_1 case.outputso_2 ... > case.output1

x lapw2 -so -fermi -p

This is missing a -up -so switch. How should lapw2 know that you are doing spin-polarized and with spin-orbit otherwise ??

But then I am getting an error
Error in LAPW2
  'LAPW2' - can't open unit: 18
  'LAPW2' -        filename: case.vsp
  'LAPW2' -          status: old          form: formatted

I have a doubt on the steps that I have performed. Please suggest me what mistake I have done.

Sincerely,
Anup Pradhan Sakhya



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                                      P.Blaha
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