6
 
C     0.6630413    0.0000000    0.0000000 
C    -0.6630413    0.0000000    0.0000000 
H     1.2338623    0.9218215    0.0000000 
H     1.2338623   -0.9218215    0.0000000 
H    -1.2338623   -0.9218215    0.0000000 
H    -1.2338623    0.9218215    0.0000000 
