[Wien] Trouble with .inorb files for LDA+U
Lucas Philipi Pereira
luscas at ufpr.br
Fri May 16 06:43:24 CEST 2025
To all wien2k users, hello!
I am trying to run a LDA+U calculation for ZnO, applying the correction for Zn 4s and 3d and O 2p orbitals. First problem I had was with init_orb_lapw, which kept on returning "You need to specify 4 values" even though I entered four values. I corrected that with a small customized patch.
What I was incapable of correcting, though, is the fact that I cannot specify more than one orbital for one atom. I tried to manually modify the input value, but then I got an error running orb. The uporb.error file says "Error in Vorb". I then opened the case.outputorbup, which is pasted below:
Calculation of orbital potential for spin block: up
Type of potential: LDA+U
Vorb applied to atom 1 orbit. numbers 0
Vorb applied to atom 1 orbit. numbers 2
Vorb applied to atom 2 orbit. numbers 1
Fully Localized Limit method
Atom 1 L= 0 U= 0.367 J= 0.000 Ry
Atom 1 L= 2 U= 0.221 J= 0.000 Ry
Atom 2 L= 1 U= 0.367 J= 0.000 Ry
end of OP input
STRUCT file read
VSP read
Atom 1 L= 0 spin of potential; Lx, Ly, Lz= 0.000000 0.000000 0.000000
Conflict in atom orb. number: lorb 0 ne ll 2
Summing up, I need some help finding what exactly is wrong with the .inorb file and learning how to correctly modify it.
Best regards,
Lucas Philipi
P.S.: .struct and .inorb files are attached.
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