C Si 
 1.0000000000000000
     4.6534456210541677   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.6534456210541677    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6534456210541677
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.8453163900389773  1.8453163900389773  1.8453163900389773   T   T   T
  0.4814064204881071  2.8081292310151911  4.1720392005660614   T   T   T
  2.8081292310151915  4.1720392005660614  0.4814064204881071   T   T   T
  4.1720392005660614  0.4814064204881071  2.8081292310151915   T   T   T
  2.8081292310151915  2.8081292310151911  2.8081292310151915   T   T   T
  4.1720392005660614  1.8453163900389773  0.4814064204881071   T   T   T
  1.8453163900389773  0.4814064204881071  4.1720392005660614   T   T   T
  0.4814064204881071  4.1720392005660614  1.8453163900389773   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.3267228105270839 -0.0000000000000000  2.3267228105270839   T   T   T
 -0.0000000000000000  2.3267228105270839  2.3267228105270839   T   T   T
  2.3267228105270839  2.3267228105270839  0.0000000000000000   T   T   T