13
charge = 0
 C 1.149981 -0.066635 0.237973
 C 2.626112 -0.137575 0.002414
 C 3.178014 -1.126984 -0.706491
 C 3.475536 0.906492 0.566360
 C 3.056559 1.943998 1.289183
 H 0.637238 -0.903895 -0.235934
 H 0.732929 0.862425 -0.161702
 H 0.921891 -0.085050 1.307768
 H 2.578674 -1.919174 -1.140195
 H 4.249185 -1.169143 -0.871419
 H 4.538896 0.802471 0.362548
 H 2.009021 2.097457 1.522834
 H 3.755265 2.677615 1.672340