13
charge = 0
 O 1.440234 -0.834256 0.149148
 C 2.527564 -0.436502 -0.614896
 C 3.058227 0.894905 -0.166399
 O 2.538451 1.475009 0.755151
 C 4.253058 1.507483 -0.879253
 C 4.813895 0.740892 -1.975367
 C 5.281426 0.110747 -2.882690
 H 1.300136 -0.125927 0.796214
 H 2.269035 -0.356432 -1.681558
 H 3.351029 -1.164636 -0.562500
 H 5.013279 1.692257 -0.112667
 H 3.936259 2.496842 -1.226444
 H 5.697100 -0.447793 -3.688137