Re: [AMBER] missing amber force field parameters

From: FyD <fyd.q4md-forcefieldtools.org>
Date: Thu, 16 Apr 2009 10:41:44 +0100

Dear Neha,

> I am running simulations using amber ff. I am looking for angle parameters
> for CM-CT-N (amber atom types) where CM is the sp2 carbon in alkene, CT is
> sp3 carbon and N is sp2 nitrogen in amide group.

What about duplicating C -CT-N ?

You could keep the force constant & adapt Theta0 to a value closer to
that in your structure (from QM optimization or X-ray structures).

regards, Francois



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Received on Fri Apr 17 2009 - 01:14:02 PDT
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