Nuno Azoia wrote:
Chih-Ying Lin wrote:
Hi
to simulate the gas phase system, before running MD on the gas phase system

I have to use the "editconf" command.
But, I DO NOT  use "genbox" command.

I'm new to Gromacs, but I think that if you do that you will running simulation in vacuo. Maybe it a good approximation to gas phase, but if your box is empty it will be a vacuo simulation.

Technically yes, but gases are mostly empty space anyway. I have seen examples of gas phase simulations where the molecules were separated by 50 nm in the simulation box (Oostenbrink, et al. (2004) J. Comp. Chem. 25: 1656-1676.

-Justin

Right??

thanks
Lin
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--
========================================

Justin A. Lemkul
Graduate Research Assistant
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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