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   -0.108643178   0.511797186   4.511863240
O   -0.576832772   1.561243809   4.132602855
O    0.294569400  -0.465766080   3.672577980
H    0.125864579  -0.139852495   2.771172726
C    0.101311122   0.114810100   5.943269031
H   -0.208655029   0.924146683   6.593257918
H   -0.474769606  -0.781813874   6.160220145
H    1.149808543  -0.121321986   6.108287615
