[Wien] LAPW2: semicore band-ranges too large

Peter Blaha pblaha at theochem.tuwien.ac.at
Mon Sep 25 21:57:57 CEST 2017


Yes, worry !!

Why did you change iqtlsave in the first place ? It is not sace and ment 
only for special cases like very large pressure.

I guess you had spurious ghost bands and most likely the problems come 
form the small C sphere and the l=0 LO on Carbon.
Remove the C l=0 local orbital.

Am 25.09.2017 um 20:56 schrieb Luis Ogando:
> Dear Wien2k community,
> 
>     My system is a molecule (H, C and N) with vacuum along "y" and "z".
>     After optimizing the structure using only the Gamma point (large 
> cell) and iqtlsave = 0, I am trying to get the DOS using more k-points.
>     To do this, I turned iqtlsave on (iqtlsave=1) and I am getting the 
> message "LAPW2: semicore band-ranges too large". Should I worry about this ?
>     Thank you very much.
>     All the best,
>                      Luis
> 
> 
> 
> 
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