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[Matthieu Verstraete <mjv500@york.ac.uk>]

Hello,

I would suspect that if the GGA one is bad the LDA one will be similar 
(though not always, the functionals can in some cases behave quite 
differently). Simply, the cutoff radii are the same in both cases.

In papers this practice of mixing xc is frowned upon. Very strange 
results, though. Why are you running it with sppol in the first place? 
(not to say the result is ok, of course). Is the lattice parameter ok in 
sppol=1? Any output snippets/abinit versions/other info to share with us? 
Nettiquette, people, nettiquette!

ciao

Matthieu

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Dr. Matthieu Verstraete                 mailto:mjv500@york.ac.uk
Dept. of Physics, University of York,     tel: +44 1904 43 22 08
Heslington, YO10 5DD York, United Kingdom fax: +44 1904 43 22 14