VMD-L Mailing List
From: Swamy Sumanth (swamy7847_at_gmail.com)
Date: Mon Dec 14 2015 - 23:59:25 CST
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Sir,
I am Ch.Swamy pursuing my M.Tech at IIT Guwahati. I was working with
CHARMM force field for simulating ionic liquids. I have one doubt regarding
impropers in CHARMM format. Suppose an improper set in the parameter file
was like CT-CS-NI-OA, then according to OPLS format atom type NI was
central atom of this set of improper i.e; 3rd position in the set, while
coming to set of impropers given by command "topo guess improper" in VMD
what exactly the atom sequence is i.e; position of central atom in the set?
With regards,
Swamy.Ch
Dept. of chemical,
IIT Guwahati.
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