18 charge = 0 N 0.631744 0.820197 0.663936 C 1.725558 0.119274 0.008048 C 3.062973 0.693980 0.464589 C 4.243854 0.019776 -0.173249 C 4.942296 -0.912627 0.482881 C 4.632808 0.372924 -1.536644 C 4.080147 1.314428 -2.299858 H -0.256545 0.398442 0.423973 H 0.591656 1.783348 0.351588 H 1.674350 0.138066 -1.090186 H 1.680745 -0.932487 0.305357 H 3.122257 0.597979 1.550841 H 3.084115 1.767731 0.243759 H 4.697643 -1.192962 1.501232 H 5.781429 -1.419009 0.018087 H 5.466503 -0.198362 -1.939164 H 3.248962 1.922350 -1.960623 H 4.449906 1.510843 -3.298866