15
charge = 0
 O 0.285879 2.019223 -1.398757
 C 1.543290 2.102616 -0.819907
 C 2.633960 1.743472 -1.795433
 O 2.347837 1.491916 -2.941798
 C 4.049226 1.693283 -1.272074
 C 5.054250 2.207953 -2.249638
 C 5.986327 3.101610 -1.955720
 H 0.446603 1.797451 -2.329585
 H 1.626117 1.437319 0.052906
 H 1.754000 3.120497 -0.453578
 H 4.240825 0.629774 -1.066607
 H 4.120290 2.215177 -0.313970
 H 4.976866 1.807693 -3.256104
 H 6.079962 3.523736 -0.959714
 H 6.693477 3.443180 -2.702212