21
charge = 0
 C 1.279185 -0.597725 1.768290
 C 2.579796 -0.396638 1.008518
 C 3.785967 -0.945582 1.756124
 C 5.111236 -0.845733 1.005325
 C 5.536095 0.591466 0.743388
 C 6.191985 -1.599898 1.770668
 O 7.438765 -1.642511 1.108401
 H 0.425694 -0.197743 1.216043
 H 1.309047 -0.097105 2.740265
 H 1.088632 -1.658990 1.951771
 H 2.719700 0.670000 0.807584
 H 2.512161 -0.884756 0.028898
 H 3.594714 -1.998079 2.001901
 H 3.882289 -0.423694 2.717760
 H 4.985492 -1.354214 0.036352
 H 5.580262 1.153570 1.682288
 H 4.842328 1.107103 0.076861
 H 6.528496 0.623469 0.290643
 H 5.838414 -2.615502 1.999908
 H 6.382890 -1.100654 2.725979
 H 7.323054 -2.121475 0.283723