21
charge = 0
 C 0.904247 1.730678 -0.928639
 C 2.381993 1.780819 -1.125822
 C 3.245912 0.934668 -0.578365
 C 4.744691 0.917579 -0.726936
 C 5.367574 1.061244 0.666069
 C 5.154198 -0.437683 -1.314012
 C 5.257599 2.034005 -1.627345
 H 0.531736 2.661568 -0.488751
 H 0.615828 0.906227 -0.273359
 H 0.381555 1.606222 -1.882645
 H 2.749984 2.577571 -1.768626
 H 2.852385 0.143652 0.062855
 H 5.012538 0.274707 1.337757
 H 5.110541 2.025245 1.111746
 H 6.457655 0.988443 0.610308
 H 4.793990 -1.260543 -0.690309
 H 6.243382 -0.516786 -1.378096
 H 4.741069 -0.570232 -2.316882
 H 4.997683 3.018528 -1.230165
 H 4.846120 1.953758 -2.636721
 H 6.346801 1.983339 -1.706359