13
charge = 0
 O 2.276988 0.719663 -1.030077
 C 2.484152 -0.113658 0.095144
 C 3.169589 -1.364478 -0.347596
 C 2.972666 -2.622351 0.441708
 C 2.361988 -2.486058 -0.919339
 H 1.911816 1.554068 -0.727408
 H 1.527559 -0.377806 0.570973
 H 3.098254 0.399547 0.849066
 H 4.153362 -1.206751 -0.777331
 H 2.311493 -2.581963 1.299663
 H 3.819484 -3.285703 0.563421
 H 1.289744 -2.343947 -0.983053
 H 2.787316 -3.059382 -1.733152