19
 comment:c
C 1.3056520 1.9952570 0.1323230
C -0.7529000 1.2208790 -0.8087290
C -0.7968420 -0.1208030 -0.7277070
C 1.4404750 -0.9242600 0.1575320
C 2.2058270 -0.1567480 -0.6397230
C 2.1453681 1.2848250 -0.6463590
H 1.3938750 -2.0029769 0.0394720
H 2.7789731 -0.6317730 -1.4338570
H -0.5334850 -0.7382370 -1.5773571
H -0.4634240 1.7114500 -1.7298820
H 0.9461180 -0.5302150 1.0391430
H 0.8648710 1.5690150 1.0278450
H 2.6801109 1.8004690 -1.4424020
H 1.2026110 3.0710411 0.0210280
H -1.2217960 1.8734130 -0.0743760
C -1.4573870 -0.8765450 0.3661100
O -1.6404560 -0.2307760 1.5481880
H -1.2893310 0.6681840 1.4966320
O -1.8288080 -2.0146101 0.2431940