21
charge = 0
 C 2.086470 0.252936 -1.232906
 C 2.588751 0.032095 0.191523
 C 3.293513 1.229349 0.770610
 C 2.411328 2.376870 1.182997
 C 1.845083 2.203550 2.590753
 C 4.620265 1.227268 0.911662
 C 5.485834 2.313339 1.455721
 H 1.559563 -0.630150 -1.602773
 H 2.919886 0.458894 -1.908567
 H 1.394915 1.096634 -1.292739
 H 3.265940 -0.826595 0.205434
 H 1.737778 -0.234496 0.830736
 H 1.581022 2.465254 0.474418
 H 2.955269 3.322454 1.126061
 H 1.287507 1.268257 2.683184
 H 1.166522 3.021437 2.845912
 H 2.647089 2.182911 3.332133
 H 5.150641 0.327222 0.602633
 H 4.924191 3.203436 1.740215
 H 6.243700 2.613011 0.724221
 H 6.030741 1.968724 2.341081