19
 comment:c
C -0.8327440 -0.2866320 -1.5524490
C -0.9259060 -0.3170030 1.4169710
C 1.6242760 -0.2624470 -1.1057720
C 0.3778300 -0.8443730 -1.6226300
H 2.5140841 -0.8824400 -1.2090670
H 0.4682980 -1.8335119 -2.0701981
H -1.1573540 -1.3478470 1.1526580
H -0.9883870 0.7041300 -1.1356450
C 1.7404130 0.9171880 -0.4918820
H 2.6954410 1.2612309 -0.1043840
H 0.8972420 1.5906870 -0.3659310
C 0.3069440 -0.0136220 1.8098180
H 1.0914570 -0.7617960 1.8659140
H 0.5819680 0.9999810 2.0990040
C -2.0630629 0.6641000 1.3510441
H -1.6965880 1.6942070 1.2716399
H -2.7214069 0.4677010 0.4979900
H -2.6833091 0.6031250 2.2542260
H -1.7133271 -0.7953360 -1.9357260