A message such as NN-DIST=0.59 indicates most probably that you have
an error in either unit cell parameters or atomic positions. Besides,
0.59 bohr is an unrealistic bond length (by far, except if your research
topic is fusion physics..)
Ghosh SUDDHASATTWA a ?crit :
Dear Wien2k users,
I
To: A Mailing list for WIEN2k users
Subject: Re: [Wien] [Wien2k Users] nnn too small
A message such as NN-DIST=0.59 indicates most probably that you have
an error in either unit cell parameters or atomic positions. Besides,
0.59 bohr is an unrealistic bond length (by far, except if your research
Dear Wien2k users,
I was working on a 2x2x2 supercell with the original space group of
P6/mmm_191. During the nn initialization, there wasn't any message like
NN ENDS
But
Nnn too small
I had chosen RMT of 2.50. So I reduced it to 2.2. Still I got that message
during the initialization.
Dear Wien2k Users,
After searching through the FAQ and the mailing list , I found two
previously posted queries on the message nnn too small
http://zeus.theochem.tuwien.ac.at/pipermail/wien/2004-October/003673.html
http://zeus.theochem.tuwien.ac.at/pipermail/wien/2004-October/003673.html
I suggest that you use a Xcrygen (or atoms) to view your structure --
almost certainly the atoms are not where you think they are, and you
have some input error.
2010/4/7 Ghosh SUDDHASATTWA ssghosh at igcar.gov.in:
Dear Wien2k Users,
After searching through the FAQ and the mailing list , I
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