gmx.MolTop
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represents a molecular topology
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source from gromacs mannul
[ moleculetype ]
; name nrexcl
Urea 3
[ atoms ]
; nr type resnr residu atom cgnr charge
1 C 1 UREA C1 1 0.683
2 O 1 UREA O2 1 -0.683
3 NT 1 UREA N3 2 -0.622
4 H 1 UREA H4 2 0.346
5 H 1 UREA H5 2 0.276
6 NT 1 UREA N6 3 -0.622
7 H 1 UREA H7 3 0.346
8 H 1 UREA H8 3 0.276
[ bonds ]
; ai aj funct c0 c1
3 4 1 1.000000e-01 3.744680e+05
3 5 1 1.000000e-01 3.744680e+05
6 7 1 1.000000e-01 3.744680e+05
6 8 1 1.000000e-01 3.744680e+05
1 2 1 1.230000e-01 5.020800e+05
1 3 1 1.330000e-01 3.765600e+05
1 6 1 1.330000e-01 3.765600e+05
[ pairs ]
; ai aj funct c0 c1
2 4 1 0.000000e+00 0.000000e+00
2 5 1 0.000000e+00 0.000000e+00
2 7 1 0.000000e+00 0.000000e+00
2 8 1 0.000000e+00 0.000000e+00
3 7 1 0.000000e+00 0.000000e+00
3 8 1 0.000000e+00 0.000000e+00
4 6 1 0.000000e+00 0.000000e+00
5 6 1 0.000000e+00 0.000000e+00
[ angles ]
; ai aj ak funct c0 c1
1 3 4 1 1.200000e+02 2.928800e+02
1 3 5 1 1.200000e+02 2.928800e+02
4 3 5 1 1.200000e+02 3.347200e+02
1 6 7 1 1.200000e+02 2.928800e+02
1 6 8 1 1.200000e+02 2.928800e+02
7 6 8 1 1.200000e+02 3.347200e+02
2 1 3 1 1.215000e+02 5.020800e+02
2 1 6 1 1.215000e+02 5.020800e+02
3 1 6 1 1.170000e+02 5.020800e+02
[ dihedrals ]
; ai aj ak al funct c0 c1 c2
2 1 3 4 1 1.800000e+02 3.347200e+01 2.000000e+00
6 1 3 4 1 1.800000e+02 3.347200e+01 2.000000e+00
2 1 3 5 1 1.800000e+02 3.347200e+01 2.000000e+00
6 1 3 5 1 1.800000e+02 3.347200e+01 2.000000e+00
2 1 6 7 1 1.800000e+02 3.347200e+01 2.000000e+00
3 1 6 7 1 1.800000e+02 3.347200e+01 2.000000e+00
2 1 6 8 1 1.800000e+02 3.347200e+01 2.000000e+00
3 1 6 8 1 1.800000e+02 3.347200e+01 2.000000e+00
[ dihedrals ]
; ai aj ak al funct c0 c1
3 4 5 1 2 0.000000e+00 1.673600e+02
6 7 8 1 2 0.000000e+00 1.673600e+02
1 3 6 2 2 0.000000e+00 1.673600e+02