21
charge = 0
 C 1.291991 -0.508788 0.990245
 C 2.497210 -0.092368 0.155778
 C 3.294665 0.988989 0.873579
 C 3.411960 -1.247560 -0.248304
 C 3.882997 -2.196570 0.883179
 C 2.943257 -3.293065 0.342852
 C 2.735117 -2.457110 -0.935810
 H 0.651788 0.354418 1.188934
 H 1.596607 -0.915688 1.958773
 H 0.681232 -1.260603 0.485658
 H 2.115186 0.336830 -0.781025
 H 3.715601 0.607260 1.808968
 H 2.665434 1.847404 1.122748
 H 4.124293 1.346854 0.258118
 H 4.235526 -0.821874 -0.829291
 H 3.711713 -1.865141 1.909552
 H 4.937681 -2.461498 0.788856
 H 2.031063 -3.393025 0.934100
 H 3.373881 -4.287261 0.213224
 H 1.705564 -2.315208 -1.272588
 H 3.316733 -2.830795 -1.780766