18 charge = 0 C 1.013516 -0.258656 -0.424622 C 2.250848 0.599855 -0.208067 C 2.929830 0.985892 -1.494791 C 4.379331 1.369970 -1.523128 C 3.930800 0.102236 -2.189866 C 4.349704 -1.238938 -1.655631 H 1.267614 -1.197114 -0.923695 H 0.282136 0.259070 -1.051564 H 0.524938 -0.502832 0.521775 H 2.955999 0.075282 0.443826 H 1.973869 1.513165 0.331051 H 2.288137 1.551808 -2.165753 H 4.931480 1.265823 -0.594581 H 4.692646 2.206989 -2.135240 H 3.889664 0.145126 -3.274347 H 3.665954 -2.030051 -1.976322 H 4.382969 -1.250179 -0.564657 H 5.349446 -1.500946 -2.013188