C Si 
 1.0000000000000000
     3.0456010328540866   -0.0000000000000000   -0.0000000000000000
    -1.5228005164270433    2.6375678642437630   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    9.9468913209397503
 C   Si 
   4   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000181766213   T   T   T
  0.0000000000000000 -0.0000000000000000  4.9734456786464971   T   T   T
 -0.0000000000000005  1.7583785761625081  7.4601685088001268   T   T   T
  1.5228005164270437  0.8791892880812541  2.4867228483302544   T   T   T
  0.0000000000000000 -0.0000000000000000  1.8650421408691438   T   T   T
  0.0000000000000000 -0.0000000000000000  6.8384878013390162   T   T   T
 -0.0000000000000005  1.7583785761625081  9.3252106313296110   T   T   T
  1.5228005164270437  0.8791892880812541  4.3517649708597403   T   T   T