Lammps data file for reactions

4  atoms
1 bonds
0 angles
0 dihedrals
0 impropers
Types

  1    3
  2    3
  3    6
  4    6
 
Charges

  1    0.00
  2    0.00
  3    0.00
  4   -5.00

Coords

  1 -150.00    0.00  -15.00
  2 -120.00    0.00  -15.00
  3 -150.00    0.00   15.00
  4 -120.00    0.00   15.00

Bonds

   1  2     1	3