18
charge = 0
 C 2.531525 -0.732470 -1.043453
 O 2.250566 -0.053342 0.148748
 C 2.835841 -0.559720 1.349933
 C 2.334754 0.391929 2.423792
 C 2.352214 -1.976549 1.639987
 C 4.358432 -0.513211 1.279330
 H 2.001424 -0.200616 -1.834688
 H 2.176703 -1.770533 -1.033111
 H 3.600750 -0.732011 -1.289100
 H 1.243559 0.379631 2.457975
 H 2.657959 1.411304 2.203702
 H 2.719134 0.106864 3.405300
 H 1.260510 -2.013313 1.630136
 H 2.698049 -2.297674 2.624921
 H 2.731017 -2.695206 0.910154
 H 4.694480 0.491438 1.012834
 H 4.755369 -1.218621 0.546218
 H 4.787956 -0.773319 2.249212