7

C    0.000000000   0.667180730  -2.290248250
C    0.000000000  -0.667180730  -2.290248250
Ar   -0.000000000   0.000000000   1.608292610
H   -0.924007680   1.232023330  -2.289752390
H    0.924007680   1.232023330  -2.289752390
H   -0.924007680  -1.232023330  -2.289752390
H    0.924007680  -1.232023330  -2.289752390