13
charge = 0
 O 1.691296 0.929200 0.557127
 C 2.325054 0.112386 -0.070164
 C 2.413998 0.207118 -1.523532
 C 2.477735 0.298885 -2.719942
 C 3.036402 -1.010738 0.569660
 C 3.135180 -2.347643 -0.129402
 C 4.346191 -1.506739 -0.000234
 H 2.522153 0.398120 -3.779838
 H 2.923053 -1.012745 1.646398
 H 2.676288 -2.425626 -1.107025
 H 3.032464 -3.222427 0.499438
 H 4.714664 -1.011199 -0.889635
 H 5.104234 -1.783201 0.721030