9 atoms 3 atom types 0 4 xlo xhi 0 4 ylo yhi -1 1 zlo zhi Masses 1 1 2 1 3 1 Atoms 1 1 1 0 0 0 2 1 1 1 0 0 3 1 1 0.5 0.8660254 0 4 2 2 0.8 -0.5 0 5 2 2 1.8 -0.5 0 6 2 2 1.3 -1.3660254 0 7 3 3 1 0.4 0 8 3 3 1.6427876 1.166 0 9 3 3 1.9848 0.2263518 0