12
 
C     1.6836471    0.6105785    0.0000000 
C     1.6836471   -0.6105785    0.0000000 
C    -0.3130471   -1.7633704    0.0000000 
C    -1.3706000   -1.1527919    0.0000000 
C    -1.3706000    1.1527919    0.0000000 
C    -0.3130471    1.7633704    0.0000000 
H     2.1448223    1.5689895    0.0000000 
H     2.1448223   -1.5689895    0.0000000 
H     0.2863736   -2.6419654    0.0000000 
H    -2.4311959   -1.0729759    0.0000000 
H    -2.4311959    1.0729759    0.0000000 
H     0.2863736    2.6419654    0.0000000 
