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openmm/wrappers/python/tests/systems/improper.psf
2017-04-25 11:39:45 -07:00

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PSF CMAP CHEQ
2 !NTITLE
**
* Minimal file defining a single improper torsion
4 !NATOM
1 AAL 3 ALA C 32 0.340000 12.0110 0 0.00000 -0.301140E-02
2 AAL 3 ALA CA 22 0.700000E-01 12.0110 0 0.00000 -0.301140E-02
3 AAL 3 ALA OT2 72 -0.670000 15.9990 0 0.00000 -0.301140E-02
4 AAL 3 ALA OT1 72 -0.670000 15.9990 0 0.00000 -0.301140E-02
0 !NBOND: bonds
0 !NTHETA: angles
0 !NPHI: dihedrals
1 !NIMPHI: impropers
1 2 3 4
0 !NDON: donors
0 !NACC: acceptors
0 !NNB
0 0 0 0
1 0 !NGRP NST2
0 0 0
1 !MOLNT
1 1 1 1
0 0 !NUMLP NUMLPH
0 !NCRTERM: cross-terms