21
charge = 0
 C 1.038610 0.383792 -0.293759
 C 2.488235 0.237493 -0.608443
 C 3.172956 -0.898970 -0.555386
 C 4.625885 -1.053064 -0.859376
 C 4.927373 -2.044698 -1.989577
 C 4.363345 -1.567047 -3.319271
 C 6.424214 -2.299012 -2.091271
 H 0.881481 1.085338 0.532074
 H 0.592219 -0.573063 -0.015432
 H 0.484853 0.782053 -1.150242
 H 3.014357 1.146479 -0.899368
 H 2.646277 -1.809658 -0.265844
 H 5.144956 -1.399686 0.043952
 H 5.057386 -0.076752 -1.110808
 H 4.438214 -2.994263 -1.733094
 H 4.838143 -0.628017 -3.623111
 H 3.287827 -1.388616 -3.257180
 H 4.542833 -2.300464 -4.109572
 H 6.958278 -1.374377 -2.333347
 H 6.651185 -3.025886 -2.875439
 H 6.830483 -2.681083 -1.150917