13
charge = 0
 C 1.004609 -0.070559 0.223829
 C 2.282976 0.065407 -0.097677
 C 3.102277 1.318276 -0.141796
 C 4.471269 0.846949 -0.572339
 O 5.453579 1.510230 -0.742714
 C 4.374153 -0.653129 -0.755149
 O 3.046141 -1.016642 -0.451354
 H 0.421207 0.796208 0.499651
 H 0.527863 -1.041482 0.215826
 H 3.172952 1.818190 0.827581
 H 2.723621 2.052816 -0.857094
 H 5.074066 -1.163487 -0.085313
 H 4.620156 -0.926876 -1.786451