[gmx-users] Improper dihedral angle: -30 degree or (360-30) degree

Hoa Trinh trinhlanhoa at gmail.com
Sun Sep 10 13:36:12 CEST 2017

Dear Gromacs community,
I'd like to know what is the range of improper dihedral angle, [0,pi] ,
[0,2pi] or [-pi, pi] ?  For example, if I have an angle belonging to quadrant
IV, should the angle be -30 or (360-30) or (180-30) degree?
I appreciate your help.
Best regards,
*Lan Hoa*

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