13
charge = 0
 O 2.129242 1.002422 0.485776
 C 2.043446 -0.114177 0.054029
 C 3.155490 -1.075746 -0.023138
 C 2.841012 -2.535485 0.149548
 C 3.153955 -2.027017 -1.216926
 C 4.398825 -2.337761 -1.848186
 C 5.443022 -2.601940 -2.379080
 H 1.072036 -0.506952 -0.328662
 H 4.117221 -0.713670 0.316392
 H 1.812427 -2.807992 0.354222
 H 3.589162 -3.137435 0.646848
 H 2.310329 -1.919984 -1.892452
 H 6.368023 -2.834163 -2.851461