20

C    0.964080386   0.875093309   0.378013637
H    1.659829610   1.699930824   0.446042274
C    1.431057086  -0.413133436   0.118991518
H    2.489524528  -0.587209167  -0.017012615
C    0.534127659  -1.477638897   0.042417552
H    0.896961292  -2.477388385  -0.152011989
C   -0.830326821  -1.253604085   0.220856111
H   -1.525760009  -2.079624353   0.164116545
C   -1.297587152   0.034412611   0.480242627
H   -2.354396072   0.208016117   0.628560956
C   -0.400445087   1.099779211   0.561601368
H   -0.760455137   2.093768799   0.784756979
C   -0.119855168   0.534389391   4.360081175
O   -0.588044762   1.583836014   3.980820790
O    0.283357410  -0.443173875   3.520795915
H    0.114652589  -0.117260290   2.619390661
C    0.090099132   0.137402305   5.791486966
H   -0.219867019   0.946738888   6.441475853
H   -0.485981596  -0.759221669   6.008438080
H    1.138596553  -0.098729781   5.956505550