lammps/bench/POTENTIALS/in.comb

32 lines
691 B
Plaintext

# SiO2 for COMB potential
units metal
atom_style charge
read_data data.comb
mass 1 28.0855
group type1 type 1
compute charge1 type1 property/atom q
compute q1 type1 reduce ave c_charge1
mass 2 16.00
group type2 type 2
compute charge2 type2 property/atom q
compute q2 type2 reduce ave c_charge2
pair_style comb
pair_coeff * * ffield.comb Si O
neighbor 0.5 bin
neigh_modify every 10 delay 0 check yes
timestep 0.0002
thermo_style custom step temp etotal pe evdwl ecoul c_q1 c_q2 press vol
thermo_modify norm yes
velocity all create 300.0 3482028
fix 1 all nvt temp 300.0 300.0 0.1
fix 2 all qeq/comb 10 0.001 file fq.out
thermo 10
run 100