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   -0.070411759   0.434760724   5.029420217
O   -0.538601353   1.484207347   4.650159832
O    0.332800819  -0.542802542   4.190134957
H    0.164095998  -0.216888957   3.288729703
C    0.139542541   0.037773638   6.460826008
H   -0.170423610   0.847110221   7.110814895
H   -0.436538187  -0.858850336   6.677777122
H    1.188039962  -0.198358448   6.625844592
