units real dimension 3 boundary p p p atom_style hybrid angle charge read_data hangleq.DATA #replicate 4 4 4 #sets neighboring criteria neighbor 0.5 bin neigh_modify delay 5 #Atom type Bond type Angle type #Al->1 Al-O->1 Al-O-P->1 #P->2 P-O->2 O-Al-O->2 #O->3 O-P-O->3 #Potential definition part kspace_style ewald/disp 1.0e-20 kspace_modify force 4.34E-07 #charges set type 1 charge 0.263626079 set type 2 charge 0.109308374 set type 3 charge -0.093233613 ### must arrange charges for APD dielectric 1 pair_style hybrid coul/long 16.0 buck/coul/long 16.0 buck/coul/long 16.0 buck/coul/long 16.0 buck/coul/long 16.0 buck/coul/long 16.0 # atomtype A rho c pair_coeff 2 3 coul/long 1 pair_coeff 1 1 buck/coul/long 1 8438.175594595 0.339200000 326.268125167 pair_coeff 2 2 buck/coul/long 2 18176.754962329 0.304000000 364.207497218 pair_coeff 3 3 buck/coul/long 3 47623.675958536 0.264000000 409.296002483 pair_coeff 1 3 buck/coul/long 4 19043.690811089 0.301600000 363.856528946 pair_coeff 2 3 buck/coul/long 5 28724.474455573 0.284000000 382.607218202 bond_style morse bond_coeff 1 109.7583 1.575999909 1.73 bond_coeff 2 84.7988 1.998399396 1.51 angle_style charmm # Kq q KUb=K/2 Rub angle_coeff 1 0 0 62.635 3.11 angle_coeff 2 0 0 26.595 2.83 angle_coeff 3 0 0 74.935 2.47 special_bonds lj/coul 0.0 0.0 1.0 #Simulation settings thermo 1 thermo_style custom step temp elong eangle epair emol etotal pe ke etotal vol press cella cellb cellc cellalpha cellbeta cellgamma thermo_modify flush yes dump 1 all custom 1 dump.lammpstrj id type x y z velocity all create 300.0 1234 fix 1 all nve fix 2 all temp/rescale 25 300.0 300.0 10.0 1.0 timestep 0.001 run 5000 unfix 2 run 5000 write_restart NVE.equil