19
 comment:c
C -0.2828350 0.9282100 -0.7668500
C -0.2826090 0.9278660 0.7672940
C 1.1249900 0.9819900 1.3938431
C 2.0409131 0.0301100 0.6663170
C 2.0407209 0.0302870 -0.6667120
C 1.1246270 0.9823930 -1.3937280
H 1.5057940 2.0093870 1.3147100
H 2.6745119 -0.6436120 1.2373160
H 2.6741650 -0.6432760 -1.2380700
H 1.5054960 2.0097499 -1.3143851
H 1.0472080 0.7455670 2.4584939
H 1.0465790 0.7463040 -2.4584351
C -0.9207180 -0.4014820 -1.1359750
O -1.1300660 -0.8372310 -2.2274230
C -0.9200820 -0.4021320 1.1360080
O -1.1286380 -0.8385660 2.2273350
O -1.2302060 -1.1161610 -0.0000970
H -0.9083840 1.7233740 -1.1849610
H -0.9082170 1.7227139 1.1859220