LAMMPS data with labels (Moon-ki Choi/Ilia Nikiforov) 

   4 atoms
   0 bonds
   0 angles
   0 dihedrals

   1 atom types
   0 bond types
   0 angle types
   0 dihedral types

 -1.962000000000000e+00    1.962000000000000e+00 xlo xhi
 -1.962000000000000e+00    1.962000000000000e+00 ylo yhi
 -1.962000000000000e+00    1.962000000000000e+00 zlo zhi

Atom Type Labels

  1 IPT

Atoms

  1 1 1 0.000000000000000e+00 -1.962000010000000e+00 -1.962000000000000e+00 -1.962000000000000e+00   0   0   0
  2 2 1 0.000000000000000e+00 -1.962000010000000e+00 0.000000000000000e+00 0.000000000000000e+00   0   0   0
  3 3 1 0.000000000000000e+00 -1.000000000000000e-08 -1.962000000000000e+00 0.000000000000000e+00   0   0   0
  4 4 1 0.000000000000000e+00 -1.000000000000000e-08 0.000000000000000e+00 -1.962000000000000e+00   0   0   0