/usr/share/gromacs/top/gmx.ff/h2p4o13.itp is in gromacs-data 4.5.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | ; Tetra Phosphate h2p4o13(4-)
[ moleculetype ]
; name nrexcl
h2p4o13 1
[ atoms ]
; nr type resnr residu atom cgnr charge mass
;use charges from Gaussian 92
1 P 1 PI P1 1 1.85
2 OA 1 PI O2 1 -1.02
3 HO 1 PI H3 1 0.58
4 OM 1 PI O4 1 -1.0
5 OM 1 PI O5 1 -1.0
6 OS 1 PI O6 1 -0.92
7 P 1 PI P7 2 1.95
8 OM 1 PI O8 2 -0.96
9 OM 1 PI O9 2 -1.04
10 OS 1 PI O10 2 -0.88
11 P 1 PI P11 2 1.95
12 OM 1 PI O12 2 -1.04
13 OM 1 PI O13 2 -0.96
14 OS 1 PI O14 3 -0.92
15 P 1 PI P15 3 1.85
16 OM 1 PI O16 3 -1.0
17 OM 1 PI O17 3 -1.0
18 OA 1 PI O18 3 -1.02
19 HO 1 PI H19 3 0.58
#ifdef BONDS
[ bonds ]
; ai aj funct c0 c1
2 1 1 0.16432
3 2 1 0.10134
4 1 1 0.15525
5 1 1 0.15525
6 1 1 0.16731
7 6 1 0.16459
8 7 1 0.15564
9 7 1 0.15564
10 7 1 0.16415
11 10 1 0.16415
12 11 1 0.15564
13 11 1 0.15564
14 11 1 0.16459
15 14 1 0.16731
16 15 1 0.15525
17 15 1 0.15525
18 15 1 0.16432
19 18 1 0.10134
#else
[ constraints ]
; ai aj funct dist
2 1 1 0.16432
3 2 1 0.10134
4 1 1 0.15525
5 1 1 0.15525
6 1 1 0.16731
7 6 1 0.16459
8 7 1 0.15564
9 7 1 0.15564
10 7 1 0.16415
11 10 1 0.16415
12 11 1 0.15564
13 11 1 0.15564
14 11 1 0.16459
15 14 1 0.16731
16 15 1 0.15525
17 15 1 0.15525
18 15 1 0.16432
19 18 1 0.10134
#endif
[ angles ]
; ai aj ak funct c0 c1
1 2 3 1 113.4
1 6 7 1 137.1 400
2 1 4 1 110.8
2 1 5 1 110.0
2 1 6 1 97.4
4 1 5 1 117.3
4 1 6 1 109.8
5 1 6 1 109.8
6 7 8 1 110.9
6 7 9 1 103.6
6 7 10 1 102.4
7 10 11 1 147.3 400
8 7 9 1 118.4
8 7 10 1 110.8
9 7 10 1 109.3
10 11 12 1 109.3
10 11 13 1 110.8
10 11 14 1 102.4
11 14 15 1 137.1 400
12 11 13 1 118.4
12 11 14 1 103.6
13 11 14 1 110.9
14 15 16 1 109.8
14 15 17 1 109.8
14 15 18 1 97.4
15 18 19 1 113.4
16 15 17 1 117.3
16 15 18 1 110.0
17 15 18 1 110.8
[ dihedrals ]
; ai aj ak al funct c0 c1 c2
6 1 2 3 1 ; 3
7 6 1 2 1 -19 3.0 3
10 7 6 1 1 -222 3.0 3
11 10 7 6 1 -147 3.0 3
14 11 10 7 1 -147 3.0 3
15 14 11 10 1 -222 3.0 3
18 15 14 11 1 -19 3.0 3
19 18 15 14 1 ; 3
|