Dear fellow Gromacs users Does anyone know how the "-surf mol" option works?
I am trying to calculate the coordination number for a molecule in a slice (xy-plane, delta-z ~ 0.5 nm) of my system. I believe I understand how to do the integration of the RDF function if I use the center-of-mass option (-rdf mol_com), but I am more interested in calculating the coordination number with respect to the molecular surface. I have tried to use the "-surf mol" option together with "-cn ", and I get what I expected to get, namely N=2. However, when I import the rdf in Excel and do the integration, I get N=1. I should add that I have seen from the manual that the "-surf" option means that normalization cannot be used. Hence, in my calculations I do not normalize the integral with V/N. Does anyone have any suggestions? Best regards, Soren
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