units           metal
boundary        p p p
atom_style      atomic

read_data       {xyzfile}

change_box      all triclinic
mass            1 {mass}

pair_style      lj/cut {cutoff}
pair_coeff      * * {epsilon} {sigma}

min_style       cg
min_modify      line backtrack
minimize        0.0 1.0e-8 10 1000

write_data      {writefile} nocoeff
run             0