20

C       2.84037355       0.95012352       0.65747930
C      -2.84037354      -1.14153787       0.17861972
N       3.53555055       0.00000001       0.00000001
C       1.45073934       0.98696780       0.68163170
C      -1.45073934      -1.18522034       0.18433655
N      -3.53555055      -0.00000001      -0.00000001
C       2.84037356      -0.95012351      -0.65747928
C       0.73199230       0.00000000       0.00000000
C      -0.73199229      -0.00000000      -0.00000000
C      -2.84037355       1.14153786      -0.17861974
C      -1.45073934       1.18522033      -0.18433656
C       1.45073935      -0.98696780      -0.68163169
H       3.43290683       1.70347992       1.18753685
H      -3.43290683      -2.05046986       0.32811727
H       0.92372819      -1.75523012      -1.25839358
H       0.92372818       1.75523013       1.25839358
H      -0.92372818      -2.12789329       0.36940133
H      -0.92372818       2.12789329      -0.36940134
H       3.43290685      -1.70347991      -1.18753684
H      -3.43290684       2.05046985      -0.32811729
