units real neigh_modify delay 0 every 1 check yes atom_style full bond_style harmonic angle_style harmonic pair_style lj/cut/coul/cut 10.0 pair_modify mix arithmetic kspace_style none special_bonds amber atom_modify sort 0 0 read_data data.single_water timestep 1. dump 1 all xyz 1 dump.xyz thermo_style multi thermo 1 thermo_modify flush yes fix 1 all qmmm