1&FORCE_EVAL
2  METHOD FIST
3  &MM
4    &FORCEFIELD
5      parm_file_name ../sample_pot/water.pot
6      parmtype CHM
7      &CHARGE
8        ATOM OT
9        CHARGE -0.8476
10      &END CHARGE
11      &CHARGE
12        ATOM HT
13        CHARGE 0.4238
14      &END CHARGE
15    &END FORCEFIELD
16    &POISSON
17      &EWALD
18        EWALD_TYPE pme
19        ALPHA .44
20        NS_MAX 25
21      &END EWALD
22    &END POISSON
23  &END MM
24  &SUBSYS
25    &CELL
26      ABC 24.955 24.955 24.955
27    &END CELL
28    &COLVAR
29      &DISTANCE
30        ATOMS 1 2
31      &END DISTANCE
32    &END COLVAR
33    &COLVAR
34      &DISTANCE
35        ATOMS 1 3
36      &END DISTANCE
37    &END COLVAR
38    &COLVAR
39      &DISTANCE
40        ATOMS 3 2
41      &END DISTANCE
42    &END COLVAR
43    &COLVAR
44      &DISTANCE
45        ATOMS 4 5
46      &END DISTANCE
47    &END COLVAR
48    &COLVAR
49      &DISTANCE
50        ATOMS 4 6
51      &END DISTANCE
52    &END COLVAR
53    &COLVAR
54      &DISTANCE
55        ATOMS 5 6
56      &END DISTANCE
57    &END COLVAR
58    &TOPOLOGY
59      COORD_FILE_NAME ../sample_pdb/water_2.pdb
60      COORDINATE pdb
61    &END TOPOLOGY
62  &END SUBSYS
63&END FORCE_EVAL
64&GLOBAL
65  PROJECT water_3_dist_inter2
66  RUN_TYPE MD
67&END GLOBAL
68&MOTION
69  &CONSTRAINT
70    &COLLECTIVE
71      COLVAR 1
72      INTERMOLECULAR
73    &END COLLECTIVE
74    &COLLECTIVE
75      COLVAR 2
76      INTERMOLECULAR
77    &END COLLECTIVE
78    &COLLECTIVE
79      COLVAR 3
80      INTERMOLECULAR
81    &END COLLECTIVE
82    &COLLECTIVE
83      COLVAR 4
84      INTERMOLECULAR
85    &END COLLECTIVE
86    &COLLECTIVE
87      COLVAR 5
88      INTERMOLECULAR
89    &END COLLECTIVE
90    &COLLECTIVE
91      COLVAR 6
92      INTERMOLECULAR
93    &END COLLECTIVE
94  &END CONSTRAINT
95  &MD
96    ENSEMBLE NVE
97    STEPS 10
98    TIMESTEP 2.5
99    TEMPERATURE 298
100  &END MD
101&END MOTION
102