<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:'times new roman', 'new york', times, serif;font-size:12pt"><div>Hi,</div><div> I am trying to calculate the dipole-dipole interaction energy of two charged molecules. But, I was looking for a method/formula to do that. I have the .xtc file from which I can calculate the dipole moment of each of the molecule using g_dipole . But, then how will I calculate the dipole-dipole interaction energy among them ?</div><div>Sanku</div><div style="position:fixed"></div>
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