Hi all: I´m using gromacs version 4.0.2 and a box type truncated octahedron for the MD simulation. I need to analyze hydrogen bonds with solvent (water)insertion. I used the following command: g_hbond f *.xtc s *.tpr n *.ndx num num.xvg dist *.xvg ang *.xvg a 45 r 0.3 ins. I selected acceptor and donor grups and solvent grup. The problem is that the file num.xvg is the same with direct hydrogen bonds (without solvent) and the output insert.dat is empty. Why is this? Any help would be appreciated Carmen
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