5
aligned; PG≈Td; family=Td
C   0.000000  0.000000  0.000000
H   0.629118  0.629118  0.629118
H  -0.629118 -0.629118  0.629118
H   0.629118 -0.629118 -0.629118
H  -0.629118  0.629118 -0.629118
