18 comment:c C -1.0958509 0.5650640 -0.3486620 C -0.9901030 0.6926930 1.1835570 C 0.4787110 0.6948990 1.6727901 C 1.4908680 0.6592560 0.5086320 C 1.1102000 -0.4439990 -0.4434730 C -0.1589500 -0.5148150 -0.8452120 H -2.1313009 0.3586110 -0.6445470 H -1.5092450 1.6010780 1.5100760 H 0.6726140 1.5693409 2.3046479 H 2.5044839 0.5182470 0.8977940 H 1.8260620 -1.2051370 -0.7428390 H 0.6574280 -0.1873480 2.2970850 H -1.5255220 -0.1493220 1.6367840 H 1.4881780 1.6326020 -0.0051220 H -0.8266050 1.5271550 -0.8092980 N -0.6302910 -1.5946410 -1.6627851 H -1.5236540 -1.9229000 -1.3033150 H -0.8165880 -1.2686059 -2.6083100