[gpaw-users] Positive total energies with B3LYP XC

Georg Kastlunger Georg.kastlunger at univie.ac.at
Tue May 29 18:06:44 CEST 2012


Dear Mailing-list,

I have tried to do some LCAO calculations with a B3LYP XC potential. 
Unfortunately the calculations lead to completely unreasonable results, 
meaning that the total energies which I get are postitive.
I've tried the calculations for a few test system too (like H2,NH3, 
etc.), but all of these calculations lead to the same trend.
LCAO with PBE results in negative values as expected.

I attached an output file of a calculation done on NH3, I hope this 
helps to show you my problem.
As you might see the largest positive energy value is related to XC.

Does anyone know where this error could come from? I am using a 
gpaw-0.8.0.8092, does anyone know if the version could be the problem?

Best  Regards
Georg

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