Re: [AMBER] 12-6-4 potential in TI

From: Hannes Loeffler <Hannes.Loeffler.stfc.ac.uk>
Date: Tue, 21 Feb 2017 09:06:03 +0000

I see nothing in the code that would suggest that this is supported.
Pmemd actually warns that it doesn't support the additional term and
terminates.

On Mon, 20 Feb 2017 23:37:24 +0100
Qinghua Liao <scorpio.liao.gmail.com> wrote:

> Hello everyone,
>
> I have one question about the calculation of hydration free energy of
> one metal model,
> which was divided into two steps, turning on the 12-6-4 terms, then
> turning on the electrostatic term.
> sander.MPI of Amber 16 was used for the calculations.
>
> For the first step, soft-core potential was used to for the 12-6
> terms. As the soft-core potential does not
> take care of the C4 term, I am wondering whether a normal linear
> scaling would be used for the C4 term automatically by sander,
> or the C4 term would be ignored in the calculation? Thanks very much!
>
>
> All the best,
> Qinghua
>
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Received on Tue Feb 21 2017 - 01:30:02 PST
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