15

O     -2.290556   -1.486182    0.526978
C     -1.304018   -0.571228    0.250688
C     -1.586306    0.736674   -0.084394
C     -0.572828    1.638338   -0.358127
C      0.731002    1.189895   -0.285930
C      1.045807   -0.110893    0.046123
C      2.435780   -0.544128    0.111258
O      3.368363    0.231031   -0.126231
C      0.015001   -0.988385    0.314094
H     -2.775549   -2.082753   -0.106334
H     -2.639367    1.022429   -0.122539
H     -0.840966    2.654238   -0.616666
H      1.517852    1.906335   -0.502780
H      2.652066   -1.574278    0.375391
H      0.243720   -2.021093    0.578469