# LAMMPS input for coupling MD/Quantum units metal dimension 3 atom_style atomic atom_modify sort 0 0.0 lattice diamond 5.43 region box block 0 1 0 1 0 1 create_box 1 box create_atoms 1 box mass 1 28.08 velocity all create 300.0 87293 loop geom fix 1 all nve fix 2 all external pf/callback 1 1 dump 1 all custom 1 dump.md id type x y z fx fy fz thermo 1