Lammps input script

units lj
atom_style atomic
boundary s s s

pair_style      lj/cut 2.5
read_data ../init_mono_colis_eps_01.lmpdat
mass            1 1.0
mass            2 1.0

pair_coeff      1 1 1.0 1.0 2.5
pair_coeff      1 2 0.1 1.0 2.5
pair_coeff      2 2 1.0 1.0 2.5

neighbor        0.3 bin
neigh_modify    every 20 delay 0 check no

thermo          1000
thermo_style custom step temp lx press ke
dump 1 all custom 50000 dump.colis.mono.* id type x y z vx vy vz

timestep 0.01

group A type 1
group B type 2

velocity A set -0.0055 0.0 0.0 sum no
velocity B set 0.0055 0.0 0.0 sum no

fix 4 all nve

run 250000

write_data final_seperate.0_11.lmpdat