# 3d Lennard-Jones melt

variable	x index 1
variable	y index 1
variable	z index 1

variable	xx equal 20*$x
variable	yy equal 20*$y
variable	zz equal 20*$z

units		lj
atom_style	full

lattice		fcc 0.8442
region		box block 0 ${xx} 0 ${yy} 0 ${zz}
create_box	1 box
create_atoms	1 box
mass		1 1.0

velocity	all create 1.44 87287 loop geom

pair_style	hybrid/overlay  lj/cut 2.5  coul/cut 2.5 lj/cut/cou/cut  2.5 
pair_coeff      1 1  lj/cut           1.0 1.0 2.5
pair_coeff      1 1  coul/cut         2.5
pair_coeff      1 1  lj/cut/coul/cut  1.0 1.0 2.5

neighbor	0.3 bin
neigh_modify	delay 0 every 20 check no

fix		1 all nve

run		100