Hi Everyone, Please I'm trying to calculate one dihedral angle as a function of time during my simulation. For this, I used g_angle. In the manual (version 4.0.3) it says: the indexfile should contain atom-triplets or atom-quadruplets for dihedrals.
I put an atom-quadruplet in my index file, but when I run g_angle -f .xtc -n .ndx -od .xvg and I select the group of atom-quadruplets, gromacs crashes and shows this error message: number of index elements not multiple of 3, these can not be angle triplets So actually g_angle only calculates angles not dihedrals? Thanks Carla
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