atom_style atomic units metal dimension 3 boundary p p p read_data ./data.graphene mass 1 12.01 ##Carbon ### Optimized Tersoff for Carbon: Lindsay and Broido PRB 81, 205441 (2010) pair_style tersoff pair_coeff * * C.opt.tersoff C(O) variable T equal 300 variable V equal vol variable Lx equal xhi-xlo variable Ly equal yhi-ylo print "Lx = ${Lx} A" print "Ly = ${Ly} A" print "Volume simulation box = $V A^(3)" variable Volume equal v_Lx*v_Ly*3.35 print "Volume = Lx*Ly*3.35A = ${Volume} A^(3)" velocity all create $T 345352 mom yes rot yes dist gaussian timestep 0.001 # 0.001 picosecond = 1 femtosecond thermo 1000 thermo_style custom step temp pe etotal press pxx pyy pzz # --------------- i-PI interface ----------------- fix 1 all ipi graphene 31415 unix # UNIX socket #fix 1 all ipi localhost 31415 # Internet socket run 5000000