13
charge = 0
 C 2.557892 1.056056 -0.050423
 O 2.051456 -0.232770 -0.288428
 C 2.778600 -1.215086 0.364578
 C 2.764338 -2.566216 -0.244825
 C 4.026457 -1.743341 -0.273740
 H 1.931390 1.758357 -0.600721
 H 3.595273 1.150677 -0.395640
 H 2.522450 1.310420 1.017507
 H 2.759688 -1.139407 1.451765
 H 2.221136 -2.665047 -1.175994
 H 2.714699 -3.427125 0.409602
 H 4.303995 -1.310787 -1.227151
 H 4.856626 -2.034320 0.357981