Re: [AMBER] Interpreting .prmtop files

From: Hai Nguyen <nhai.qn.gmail.com>
Date: Wed, 15 May 2013 17:18:33 -0400

You can check the format in AMBER website

http://ambermd.org/formats.html

Hai Nguyen


On Wed, May 15, 2013 at 5:13 PM, David Winogradoff <dwino218.gmail.com>wrote:

> There are several flags within the prmtop files that I understand, but I
> would like to gain a better understanding of the Lennard Jones coefficient
> flags.
>
> After the following lines:
>
> %FLAG LENNARD_JONES_ACOEF
> %FORMAT(5E16.8)
>
> there appears to be a matrix of numbers, which I'm guessing is an n x n
> matrix put into a 5-column format. I am also guessing n is the number of
> unique atom-types present. Beyond these guesses, I do not know.
>
> Could someone provide an explanation for how to interpret these flags, or
> provide a link where an explanation may be found?
>
> Thanks,
> David Winogradoff
> ~~~~~~~~~~~~~~~~~
> Graduate Student
> University of Maryland
> College Park
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>
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Received on Wed May 15 2013 - 14:30:03 PDT
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