On Tue, Apr 01, 2003, Lepsa wrote:
> I have run into problems when minimizing hydrogens in a polarizable FF
> (ff02).
>
> const.V, no SHAKE, belly minimization of hydrogens
You can't do this. These force fields require shake to be on, since the
H-atoms have no intrinsic LJ potentials, and can fuse into other atoms if
the bond lengths are allowd to vary.
...hope this helps...dac
--
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David A. Case | e-mail: case.scripps.edu
Dept. of Molecular Biology, TPC15 | fax: +1-858-784-8896
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Received on Tue Apr 01 2003 - 23:53:00 PST