19
 comment:c
C -0.8357690 -0.2870590 -1.5384680
C -0.9188820 -0.3153450 1.3989700
C 1.6206130 -0.2628000 -1.0989881
C 0.3751410 -0.8433020 -1.6176400
H 2.5110321 -0.8820720 -1.2010339
H 0.4646560 -1.8309090 -2.0686910
H -1.1480020 -1.3452049 1.1296140
H -0.9899690 0.7024470 -1.1186440
C 1.7324090 0.9134300 -0.4774240
H 2.6848021 1.2564050 -0.0825280
H 0.8887230 1.5866110 -0.3546210
C 0.3136750 -0.0104700 1.7918860
H 1.1001101 -0.7566790 1.8442380
H 0.5853550 1.0016700 2.0892539
C -2.0592949 0.6629630 1.3453320
H -1.6968020 1.6934299 1.2524190
H -2.7325680 0.4596540 0.5057360
H -2.6626730 0.6074070 2.2601919
H -1.7182370 -0.7950660 -1.9183810