18 charge = 0 C 1.329692 -0.289467 1.220277 C 2.699194 -0.665039 0.662161 C 3.381430 0.490405 0.006114 C 4.555321 1.047638 0.308329 C 5.071451 2.218839 -0.470842 C 5.461643 0.590867 1.408724 H 0.825496 -1.157947 1.651102 H 0.684155 0.116247 0.436609 H 1.420877 0.471986 1.998472 H 2.569205 -1.465685 -0.077073 H 3.316331 -1.086769 1.458410 H 2.825000 0.932401 -0.820768 H 4.379918 2.516422 -1.260506 H 6.038567 1.987767 -0.931328 H 5.237929 3.082135 0.183076 H 5.062104 -0.246573 1.978670 H 5.659135 1.411963 2.106394 H 6.434032 0.289897 1.003568