boundary p p p units real atom_style full neighbor 0.3 bin neigh_modify delay 5 lattice fcc 20 region box block -5 5 -5 5 -5 5 create_box 2 box mass 1 15.9994 mass 2 1.008 region 1 block -3 3 -3 3 -3 3 molecule water water.txt create_atoms 0 region 1 mol water 19875 #create_atoms 1 region 1 group 1 region 1 pair_style lj/charmm/coul/charmm 8.075 8.500 pair_coeff 1 1 0.1552903365 6.501695808 pair_coeff 2 *2 0 0 fix 1 all rigid/small molecule mol water fix 2 all nve velocity all create 60 1009 dist gaussian compute trigid all ke/rigid 1 compute rrigid all erotate/rigid 1 compute ke all ke thermo 1 thermo_style custom step atoms temp c_trigid c_rrigid c_ke timestep 0.1 dump 1 all atom 1 mail.dump run 100