13
charge = 0
 C 1.044741 -0.036340 0.043164
 C 2.578159 -0.027347 0.052004
 O 3.084017 -0.394585 -1.225157
 C 3.064969 1.309457 0.427581
 C 3.431563 2.421727 0.687090
 C 3.073198 -1.019681 1.013092
 C 3.437320 -1.832487 1.814532
 H 0.681582 0.705656 -0.670759
 H 0.650782 0.203064 1.031178
 H 0.702145 -1.027147 -0.255454
 H 2.972388 0.364906 -1.805941
 H 3.769988 3.401831 0.928585
 H 3.773448 -2.555154 2.520084