+------------------------------------+----------------------------+------------+-----------+-------------------------------------------------------------------------+------------+
| restricted dihedral | ``dihedrals`` | 4 | 10 | |PHI0| (deg); |KPHI| (|KJM|) | |
+------------------------------------+----------------------------+------------+-----------+-------------------------------------------------------------------------+------------+
- | combined bending-torsion potential | ``dihedrals`` | 4 | 11 | |k_phi|, |A0|, |A1|, |A2|, |A3|, |A4|, (|KJM|) | |
+ | combined bending-torsion potential | ``dihedrals`` | 4 | 11 | |KPHI| (|KJM|); |A0|, |A1|, |A2|, |A3|, |A4| | |
+------------------------------------+----------------------------+------------+-----------+-------------------------------------------------------------------------+------------+
| exclusions | ``exclusions`` | 1 | | one or more atom indices | |
+------------------------------------+----------------------------+------------+-----------+-------------------------------------------------------------------------+------------+