20

C    -0.0068699    0.7702573    0.4144412 
C     0.0068699   -0.7702573    0.4144412 
C     1.4079116   -1.3250763    0.6406010 
H    -0.6108025   -1.0881108    1.2568246 
C    -0.6003722   -1.3575502   -0.8538179 
C    -1.4079116    1.3250763    0.6406010 
C     0.6003722    1.3575502   -0.8538179 
H     0.6108025    1.0881108    1.2568246 
H     1.3847819   -2.3993600    0.8127175 
H     2.0448598   -1.1492812   -0.2243403 
H     1.8818018   -0.8616367    1.5028837 
H     0.0501521   -1.1813558   -1.7079723 
H    -0.7346481   -2.4327435   -0.7611970 
H    -1.5708616   -0.9207720   -1.0801440 
H     0.7346481    2.4327435   -0.7611970 
H     1.5708616    0.9207720   -1.0801440 
H    -0.0501521    1.1813558   -1.7079723 
H    -1.3847819    2.3993600    0.8127175 
H    -2.0448598    1.1492812   -0.2243403 
H    -1.8818018    0.8616367    1.5028837
