/usr/share/gromacs/top/oplsaa.ff/1propanol.itp is in gromacs-data 2018.1-1.
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; Propanol, Jorgensen et al. JACS 118 pp. 11225 (1996)
;
[ moleculetype ]
; name nrexcl
POL 3
[ atoms ]
; nr type resnr residu atom cgnr charge mass
1 opls_157 1 POL C 1 -0.18
2 opls_156 1 POL H 1 0.06
3 opls_156 1 POL H 1 0.06
4 opls_156 1 POL H 1 0.06
5 opls_157 1 POL C 2 -0.12
6 opls_156 1 POL H 2 0.06
7 opls_156 1 POL H 2 0.06
8 opls_157 1 POL C 3 0.145
9 opls_156 1 POL H 3 0.06
10 opls_156 1 POL H 3 0.06
11 opls_154 1 POL OA 3 -0.683
12 opls_155 1 POL HO 3 0.418
[ bonds ]
; ai aj funct c0 c1
1 2 1
1 3 1
1 4 1
1 5 1
5 6 1
5 7 1
5 8 1
8 9 1
8 10 1
8 11 1
11 12 1
[ pairs ]
; i j funct
2 6
2 7
2 8
3 6
3 7
3 8
4 6
4 7
4 8
1 9
1 10
1 11
5 12
6 9
6 10
6 11
7 9
7 10
7 11
9 12
10 12
[ angles ]
; ai aj ak funct c0 c1
; H3
2 1 5 1
3 1 5 1
4 1 5 1
;
4 1 3 1
4 1 2 1
;
3 1 2 1
;
1 5 7 1
1 5 6 1
1 5 8 1
;
5 8 9 1
5 8 10 1
5 8 11 1
;
6 5 7 1
6 5 8 1
;
7 5 8 1
10 8 11 1
10 8 9 1
9 8 11 1
;
8 11 12 1
;
[ dihedrals ]
2 1 5 6 3
3 1 5 6 3
4 1 5 6 3
2 1 5 7 3
3 1 5 7 3
4 1 5 7 3
2 1 5 8 3
3 1 5 8 3
4 1 5 8 3
1 5 8 9 3
1 5 8 10 3
1 5 8 11 3
6 5 8 9 3
6 5 8 10 3
6 5 8 11 3
7 5 8 9 3
7 5 8 10 3
7 5 8 11 3
5 8 11 12 3
9 8 11 12 3
10 8 11 12 3
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