13
charge = 0
 O 0.663708 -0.144262 0.394425
 C 1.861107 -0.163940 0.409113
 C 2.659988 -1.416215 0.665623
 O 4.020088 -1.096386 0.614601
 C 4.840378 -2.216850 0.845183
 C 6.239907 -1.835820 0.782485
 C 7.402723 -1.548474 0.736203
 H 2.473518 0.745031 0.233609
 H 2.383188 -2.166429 -0.091551
 H 2.367078 -1.820663 1.647121
 H 4.640391 -2.998355 0.096199
 H 4.624136 -2.652949 1.832492
 H 8.433791 -1.286997 0.693818