5
 
C     0.0000000   -0.0000000    0.0000000 
H    -0.6308893    0.6308893    0.6308893 
H     0.6308893   -0.6308893    0.6308893 
H    -0.6308893   -0.6308893   -0.6308893 
H     0.6308893    0.6308893   -0.6308893 
