Michael McGovern wrote:
Hello everyone.  I'm trying to do a simulation with the 53A6 parameters of a
molecule that contains a sulfur atom bonded to a CH1 atom and a nitrogen
atom.  There are no bonded parameters (bond, angle, dihedral) for these
combinations.  Does anyone have any idea what I could do about that?  Should
I resort to QM calculations?  Thank you.



Refer to the original reference for the force field derivation. Many bonded parameters come from spectroscopic data, IIRC.

-Justin


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--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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