Re: AMBER: Explanation of the energy unit ?

From: David A. Case <case.biomaps.rutgers.edu>
Date: Sun, 7 Sep 2008 18:12:22 -0400

On Sat, Sep 06, 2008, Marek Malư wrote:
>
> Let's assume that we have some molecular system Y and we for example
> calculate the total energy of this system. Lets say that result is
> X[kcal/mol].
>
> My only interpretation is that X is the energy in [kcal] of NA systems Y.
> So if I want energy of one system Y in [kcal] it is X/NA. Where NA is
> Avogadro constant.

This is correct. 1 cal = 4.184 J (exactly). See wikipedia (or other
places) for a discussion of its history and use.

...dac

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Received on Wed Sep 10 2008 - 06:07:13 PDT
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