19
 comment:c
C -0.8450860 -0.2874650 -1.4222111
C -0.8701790 -0.2997060 1.2546340
C 1.5977380 -0.2661660 -1.0638000
C 0.3647870 -0.8354570 -1.5893760
H 2.4941680 -0.8795100 -1.1421580
H 0.4355800 -1.8248039 -2.0391130
H -1.0919000 -1.3316090 0.9946160
H -0.9759530 0.7187820 -1.0403340
C 1.6524050 0.8684320 -0.3547530
H 2.5725400 1.1994129 0.1191800
H 0.8154720 1.5557760 -0.2970590
C 0.3632340 0.0253620 1.6414990
H 1.1569650 -0.7095340 1.7097330
H 0.5985670 1.0248049 2.0043249
C -2.0309179 0.6541730 1.3151840
H -1.7074050 1.6907960 1.1605800
H -2.8028860 0.4247390 0.5732720
H -2.5075679 0.6071260 2.3022799
H -1.7498310 -0.7992090 -1.7399880