7

C   -0.099779142  -0.049213106  -0.049809806
H   -0.812383509   0.769437899  -0.053814782
H   -0.386626161  -0.773928179   0.705768112
H    0.890551861   0.333663823   0.175221084
H   -0.089826477  -0.524172039  -1.025860985
F   -0.919288765  -2.643106031  -0.523678545
F   -1.335840980  -3.957791550  -0.757351442