[gmx-users] periodic boundary conditions in g_rdf
gmx3 at hotmail.com
Mon Nov 3 10:20:08 CET 2008
To what value does your rdf go then?
You have pbc in your system, so running with -nopbc is incorrect.
The rdf will then stop at half the box, since you molecules are in the box
and your peptide is probably in the middle, leading to a longest distance
of roughly half the box.
From: ilhan_eins at live.com.mx
To: gmx-users at gromacs.org
Date: Fri, 31 Oct 2008 16:55:54 -0600
Subject: [gmx-users] periodic boundary conditions in g_rdf
I'm working a system with a peptide embedded in a lipid bilayer and I try to get the two-dimentional g_rdf for the upper leaflet around the peptide with the -xy option and periodic boundary conditions. But my RDF doesn't go to 1. When a used -nopbc i get almost the same result (just multiplied by a constant) and the RDF is always cutted at the half of size of the box.
Any help will be appreciated.
Thanks in advance.
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