units real neigh_modify delay 0 every 1 check yes atom_style full bond_style harmonic angle_style harmonic pair_style lj/cut/coul/long 10.0 pair_modify mix arithmetic kspace_style pppm 1e-4 special_bonds amber atom_modify sort 0 0 read_data lammps.data timestep 1.0 dump 1 all custom 1 dump.lammpstrj id element xu yu zu dump 2 all custom 1 dump.force id element fx fy fz dump 3 all xyz 1 dump.xyz dump_modify 1 element O H dump_modify 2 element O H thermo_style multi thermo 1 fix 1 all nvt temp 300.0 300.0 70.0 mdi/engine