21
charge = 0
 C 1.248659 0.012891 -0.430180
 C 2.664400 0.086190 0.120286
 C 3.021392 -0.958875 1.163491
 C 2.168543 -1.150925 2.434149
 C 2.506695 -2.651190 2.372126
 C 2.851281 -2.469852 0.880368
 C 3.999755 -3.244134 0.279529
 H 1.080007 0.802164 -1.166472
 H 0.500005 0.136222 0.356209
 H 1.053872 -0.941265 -0.926094
 H 3.376839 0.005803 -0.709674
 H 2.828881 1.079251 0.555354
 H 4.061625 -0.796303 1.472991
 H 1.107473 -0.978371 2.239534
 H 2.453224 -0.593165 3.328188
 H 1.726938 -3.367872 2.636408
 H 3.404708 -2.881340 2.952787
 H 1.943367 -2.626404 0.287539
 H 4.912286 -3.103696 0.866954
 H 4.209465 -2.921094 -0.744522
 H 3.785877 -4.316537 0.248827