21
charge = 0
 C 1.849213 -0.107690 -0.938436
 C 3.355238 -0.104841 -0.788026
 C 4.036112 0.668814 -1.905003
 O 3.646511 0.470197 0.474130
 C 4.872351 0.068183 1.060855
 C 5.312080 1.185794 1.981902
 C 4.710968 -1.248579 1.802382
 H 1.556071 -0.527726 -1.903210
 H 1.466241 0.914086 -0.876748
 H 1.384090 -0.694483 -0.144533
 H 3.713670 -1.144861 -0.805323
 H 3.667177 1.697276 -1.925217
 H 3.833336 0.208163 -2.875188
 H 5.119639 0.697242 -1.769355
 H 5.629071 -0.057635 0.272211
 H 4.551186 1.359875 2.746909
 H 5.451864 2.112714 1.423129
 H 6.250079 0.931659 2.480624
 H 3.986693 -1.134141 2.612680
 H 5.663169 -1.571419 2.230943
 H 4.358351 -2.041137 1.138491