4   1
0  CL 0.000000  0.000000  0.000000
1  O  1.425000  0.000000  0.000000
2  O  -0.475675  1.343264  0.000000
3  O  -0.475675  -0.671632  -1.163301
4  O  -0.474325  -0.672586  1.163301
