18 charge = 0 N 0.852708 0.369437 -0.215208 C 2.272221 0.289099 -0.022194 C 3.141371 -0.765071 -0.655473 C 3.182752 0.662629 -1.139246 C 4.394347 1.513831 -0.968121 C 4.278310 2.920823 -0.463533 C 4.945783 1.874720 0.376766 H 0.381257 -0.389497 0.262619 H 0.617765 0.297816 -1.197002 H 2.569833 0.604973 0.972717 H 2.660712 -1.502969 -1.287702 H 3.996063 -1.126937 -0.094922 H 2.670200 0.834007 -2.084130 H 5.143984 1.355879 -1.738714 H 3.293161 3.249872 -0.154833 H 4.891851 3.689356 -0.917115 H 4.425079 1.533757 1.263199 H 6.022604 1.913966 0.484891