[gmx-users] Have read the manual => How to calculate dihedral angle??????

[Y. U. Sasidhar]

> 
> 
> what does the file angle.ndx mean?
A dihedral angle is specified by 4 atoms; I suppose the index file 
should contain list of 4 atoms corresponding to dihedral angles you want 
to calculate. Hope this helps.
Sasidhar