[CPMD-list] water structure
Christian Krekeler
krekeler at mpip-mainz.mpg.de
Tue May 31 13:13:09 CEST 2005
Hi,
I'm testing calculations for dipole moments with the help of Wannier
centers. The optained
dipole moment calculated so far is 1.88 D.
Now I have a question concerning the structure of water. I get 0.963 A
and a angle of 105.75 degree.
In literature I see 104.5 from CPMD calculations. Is the optained one
105.75 too big?
I use FEMD with BLYP functional, gc-cutoff of 1.0e-7 and a energy
cutoff of 70 Ry.
Is it sufficient or do I should use another functional?
regards,
Christian
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