18 comment:c C -1.0195050 0.6404980 -0.8525080 C -1.0617400 0.6462720 1.6913810 C 0.1965330 0.6455770 2.1349039 C 1.7402710 0.6390050 0.1251060 C 1.1796910 -0.3911780 -0.5235910 C -0.1890710 -0.4007470 -1.0208590 H -2.0695331 0.5771910 -1.1293070 H -1.6208150 1.5678869 1.5531501 H 0.7185990 1.5678970 2.3767450 H 2.7188611 0.5490970 0.5887650 H 1.6872500 -1.3526030 -0.5618690 H 0.7149710 -0.2760370 2.3762670 H -1.6176730 -0.2759670 1.5573490 H 1.3052070 1.6320330 0.1246660 H -0.6647660 1.6135670 -0.5397650 N -0.6432400 -1.6752549 -1.5234580 H -1.5665820 -1.8811150 -1.1533680 H -0.7436920 -1.6325200 -2.5336919