19
 comment:c
C 1.7979370 2.0493319 0.4870600
C -1.3789530 1.1711119 -1.1223240
C -1.3055741 -0.1486380 -0.9743350
C 1.8410040 -1.0093271 0.2905980
C 2.3728421 -0.1359780 -0.5657370
C 2.0812550 1.3080610 -0.5859500
H 2.1040950 -2.0626969 0.2635870
H 3.0607960 -0.4965350 -1.3302100
H -1.1023960 -0.8043590 -1.8156450
H -1.2150280 1.6411500 -2.0874250
H 1.1166070 -0.7094880 1.0449730
H 1.8154190 1.6257640 1.4898380
H 2.1184549 1.7903460 -1.5632360
H 1.5805180 3.1105609 0.4018590
H -1.6329629 1.8437639 -0.3047330
C -1.5678790 -0.8725400 0.3052990
O -1.3824310 -0.1708980 1.4505770
H -0.9351200 0.6639090 1.2466440
O -1.9343770 -2.0171950 0.3412280