21
charge = 0
 C 3.083222 -1.170043 -0.410323
 C 2.536070 0.246003 -0.366878
 C 3.016790 1.091491 0.818639
 C 2.411403 2.486382 0.735836
 O 2.609915 0.476539 2.042156
 C 4.539422 1.152064 0.928691
 C 5.269797 1.707775 -0.281772
 H 2.593495 -1.750641 -1.195343
 H 2.919121 -1.679342 0.541350
 H 4.156285 -1.184317 -0.615155
 H 1.440082 0.212411 -0.317080
 H 2.770552 0.770426 -1.298975
 H 1.318111 2.428396 0.723458
 H 2.719842 3.010430 -0.171208
 H 2.712134 3.080137 1.601699
 H 1.648595 0.474405 2.067640
 H 4.895634 0.141836 1.147797
 H 4.773980 1.750510 1.814408
 H 5.088746 1.111093 -1.179443
 H 6.347739 1.710258 -0.106034
 H 4.976466 2.736877 -0.502064