units real
atom_style	charge
atom_modify map array
atom_modify sort 0 0.0
read_data data.diamond
neighbor        1.0 bin
neigh_modify    delay 0 every 5 check no
fix 1 all nve
fix 2 all external pf/callback 1 1

fix_modify 2 energy yes 
thermo_style custom step temp etotal ke pe lx ly lz pxx pyy pzz press 

thermo          1
timestep        0.5