C Si 
 1.0000000000000000
     4.3595949944659704    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.3595949944659704    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    4.3595949944659704
 C   Si 
   4   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.1797974972329852  2.1797974972329852   T   T   T
  2.1797974972329852  0.0000000000000000  2.1797974972329852   T   T   T
  2.1797974972329852  2.1797974972329852  0.0000000000000000   T   T   T
  1.0898987486164926  1.0898987486164924  1.0898987486164924   T   T   T
  3.2696962458494774  3.2696962458494774  1.0898987486164924   T   T   T
  3.2696962458494774  1.0898987486164924  3.2696962458494774   T   T   T
  1.0898987486164926  3.2696962458494774  3.2696962458494774   T   T   T