18 charge = 0 N 0.788626 -0.291362 0.153983 C 2.209260 -0.074187 0.085786 C 2.911080 1.122567 0.773502 C 4.069071 0.171431 1.177940 C 3.098024 -1.011321 0.915411 C 5.232858 0.211712 0.253669 C 6.497231 0.358261 0.627102 H 0.284523 0.367207 -0.426615 H 0.452535 -0.178634 1.103353 H 2.501286 -0.118584 -0.967501 H 2.349064 1.444934 1.654630 H 3.161066 1.999134 0.171825 H 4.418260 0.270243 2.207719 H 2.589368 -1.304952 1.837836 H 3.495923 -1.906374 0.434666 H 5.009178 0.111013 -0.808406 H 6.768564 0.461420 1.673484 H 7.304862 0.380091 -0.095294