20

  O     -4.029043   -0.730186   -0.616464
  C     -3.718406    0.366143    0.138622
  O     -4.582360    1.092368    0.609104
  C     -2.271726    0.570798    0.318475
  C     -1.316835   -0.244249   -0.205724
  C      0.129340   -0.114854   -0.075006
  C      0.967308   -1.071494   -0.696265
  C      2.359603   -0.996461   -0.603228
  C      2.960124    0.051564    0.123306
  O      4.303683    0.183832    0.253670
  C      2.142143    1.018152    0.751586
  C      0.756603    0.931424    0.651039
  H     -5.009091   -0.737467   -0.647627
  H     -2.026800    1.455084    0.925423
  H     -1.667274   -1.105349   -0.799644
  H      0.507896   -1.894202   -1.266241
  H      2.990745   -1.754257   -1.096281
  H      4.738834   -0.545140   -0.227237
  H      2.625491    1.829652    1.314393
  H      0.139767    1.694641    1.148098