molecule9.ct
6 5
   -0.3750    1.9486    0.0000 C
    0.3750    0.6495    0.0000 C
   -0.3750   -0.6495    0.0000 C
    0.3750   -1.9486    0.0000 C
   -1.8750   -0.6495    0.0000 C
    1.8750    0.6495    0.0000 C
1 2  1  1
2 3  1  1
3 4  1  1
3 5  1  1
2 6  1  1