19
 comment:c
C 1.7978600 2.0451529 0.5005910
C -1.3827800 1.1671280 -1.1333890
C -1.3104620 -0.1522160 -0.9812330
C 1.8486160 -1.0135339 0.2920210
C 2.3680251 -0.1344090 -0.5659970
C 2.0667839 1.3077840 -0.5788510
H 2.1182220 -2.0651150 0.2596540
H 3.0519111 -0.4881130 -1.3373080
H -1.1162060 -0.8116520 -1.8217649
H -1.2265360 1.6335050 -2.1015661
H 1.1278620 -0.7205300 1.0525500
H 1.8363580 1.6196100 1.5019130
H 2.0835030 1.7919390 -1.5558079
H 1.5724630 3.1052170 0.4215170
H -1.6283950 1.8427351 -0.3157220
C -1.5650110 -0.8700010 0.3034250
O -1.3641940 -0.1651940 1.4441080
H -0.9095400 0.6639890 1.2329160
O -1.9393620 -2.0118661 0.3468150