C Si 
 1.0000000000000000
     4.3593279841872681   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.3593279841872681   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.3593279841872681
 C   Si 
   4   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.1796639920936340  2.1796639920936340   T   T   T
  2.1796639920936340 -0.0000000000000000  2.1796639920936340   T   T   T
  2.1796639920936340  2.1796639920936340 -0.0000000000000000   T   T   T
  1.0898319960468170  1.0898319960468168  1.0898319960468168   T   T   T
  3.2694959881404513  3.2694959881404513  1.0898319960468168   T   T   T
  3.2694959881404513  1.0898319960468168  3.2694959881404513   T   T   T
  1.0898319960468170  3.2694959881404513  3.2694959881404513   T   T   T