13
charge = 0
 O 1.564901 -0.478765 -0.884162
 C 2.014188 0.166313 0.018250
 C 3.102719 1.207573 -0.110518
 C 2.759821 2.504189 0.565965
 C 2.952223 3.504229 -0.306083
 C 3.405023 2.956471 -1.581903
 C 3.484570 1.620933 -1.491345
 H 1.654309 0.019785 1.059639
 H 3.974678 0.764279 0.404184
 H 2.428937 2.584180 1.592201
 H 2.800762 4.557038 -0.105921
 H 3.625244 3.548388 -2.460695
 H 3.757147 0.925286 -2.271111