19
 comment:c
C -0.7720700 -0.2830750 -1.7034680
C -1.0167969 -0.3181680 1.6052030
C 1.6876590 -0.2577400 -1.2339920
C 0.4269520 -0.8673480 -1.6931540
H 2.5850680 -0.8513720 -1.4051330
H 0.5066450 -1.8921551 -2.0546429
H -1.2639580 -1.3514140 1.3604580
H -0.9175470 0.7432650 -1.3737880
C 1.8162320 0.9272680 -0.6349760
H 2.7896421 1.3025720 -0.3320020
H 0.9608570 1.5632790 -0.4206450
C 0.2170330 -0.0278990 2.0050540
H 0.9869570 -0.7896620 2.0882020
H 0.5091420 0.9906910 2.2573860
C -2.1265140 0.6819170 1.4597530
H -1.7644830 1.7028030 1.6231149
H -2.5758710 0.6315460 0.4606760
H -2.9307029 0.4883150 2.1804831
H -1.6541260 -0.8108700 -2.0555220