13
charge = 0
 C 1.067106 -0.088714 0.018728
 C 2.588887 -0.024383 0.003237
 O 3.096628 0.230667 -1.292976
 C 3.087873 0.945244 0.975756
 C 3.479790 1.775288 1.761790
 C 3.929094 2.705577 2.651165
 C 4.324575 3.530160 3.436555
 H 0.732613 -0.829634 -0.708848
 H 0.641144 0.882741 -0.242878
 H 0.699463 -0.366747 1.008236
 H 2.988522 -1.008910 0.269071
 H 2.888703 1.141903 -1.521619
 H 4.675792 4.256406 4.130683