20
charge = 0
 C 2.306565 -0.976971 -0.036581
 C 2.310077 0.538150 -0.164907
 C 2.460125 1.111355 -1.583665
 C 1.305248 0.660513 -2.475663
 C 3.785488 0.677555 -2.206474
 C 2.438326 2.635388 -1.479302
 H 2.194948 -1.269732 1.010117
 H 3.236816 -1.420550 -0.398924
 H 1.481853 -1.432619 -0.589444
 H 3.120618 0.946183 0.451001
 H 1.380805 0.934223 0.262162
 H 1.306107 -0.421816 -2.624152
 H 1.375820 1.127420 -3.462106
 H 0.340574 0.940907 -2.042084
 H 4.630787 0.970395 -1.576456
 H 3.831207 -0.404466 -2.350087
 H 3.921843 1.144908 -3.185781
 H 1.499230 2.986394 -1.041394
 H 2.542128 3.098282 -2.464845
 H 3.256734 2.998470 -0.850613