19
 comment:c
C -0.3533790 0.9840480 -0.7727340
C -0.3533010 0.9838350 0.7727300
C 1.1515980 1.0175411 1.3468940
C 1.9674020 -0.0551630 0.6666790
C 1.9675130 -0.0544860 -0.6669200
C 1.1516280 1.0186800 -1.3463089
H 1.5595850 2.0128210 1.1272980
H 2.4233620 -0.8504690 1.2509400
H 2.4236021 -0.8491940 -1.2518970
H 1.5590910 2.0138781 -1.1253550
H 1.1298170 0.8989040 2.4330530
H 1.1305350 0.9013210 -2.4326241
C -0.9143900 -0.3855080 -1.1384701
O -1.1429460 -0.8319060 -2.2226641
C -0.9136820 -0.3858560 1.1382540
O -1.1406640 -0.8326180 2.2226269
O -1.0189810 -1.1621840 -0.0001640
H -0.9536170 1.7744490 -1.2324960
H -0.9534940 1.7740800 1.2328110