13
charge = 0
 C 1.513643 -0.817127 0.378270
 C 2.508736 0.321548 -0.060635
 C 3.190681 0.129502 1.276934
 C 4.070922 0.308827 2.283613
 O 3.752398 -0.565322 3.282726
 C 2.665588 -1.299363 2.903454
 C 2.297670 -0.892419 1.670808
 H 1.547917 -1.713480 -0.243556
 H 0.474838 -0.497462 0.478229
 H 2.042727 1.296634 -0.213389
 H 3.115863 0.080606 -0.935070
 H 4.920354 0.941445 2.480833
 H 2.327861 -2.025297 3.624283