# Polymer melt of 200 5-bead spring polymer units real atom_style angle bond_style harmonic angle_style cosine/squared pair_style lj/smooth 9.0 12.0 read_data data.c20 bond_coeff 1 149.3 4.7 angle_coeff 1 3.0 180.0 pair_coeff * * 0.81 4.7 9.0 12.0 neighbor 2.0 bin neigh_modify delay 5 #timestep 30.0 (try that later, said in the MARTINI paper) timestep 1.0 thermo_style multi thermo 100 fix 1 nve #fix 1 all langevin 300.0 300.0 100.0 699483 #fix 2 all nve group chain type <= 1 dump 1 chain atom 10 dump.c20 run 100000