21
charge = 0
 C 3.086834 0.481931 1.300802
 C 2.612612 0.040485 -0.072347
 C 3.083016 -1.361272 -0.474710
 C 2.414629 -1.794716 -1.777475
 C 4.573096 -1.422737 -0.605848
 C 5.384775 -2.199628 0.101151
 C 6.866628 -2.260411 -0.050505
 H 2.727073 1.485261 1.540508
 H 4.177599 0.491372 1.360050
 H 2.722212 -0.196024 2.078121
 H 2.953177 0.755317 -0.831817
 H 1.517571 0.061181 -0.107495
 H 2.783621 -2.059480 0.317705
 H 2.693433 -1.125926 -2.597712
 H 1.325374 -1.770719 -1.685093
 H 2.713055 -2.807189 -2.057290
 H 5.005441 -0.766278 -1.364171
 H 4.948893 -2.853206 0.856575
 H 7.216850 -1.575375 -0.825295
 H 7.196480 -3.270432 -0.314786
 H 7.371830 -2.002673 0.886031