6

C    0.00000000    0.66690396     0.00000000
C    0.00000000   -0.66690396     0.00000000
H    0.00000000    1.22952195     0.92229064
H    0.00000000   -1.22952195     0.92229064
H    0.00000000    1.22952195    -0.92229064
H    0.00000000   -1.22952195    -0.92229064