C Si 
 1.0000000000000000
     3.1691085066715026   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    3.1691085066715026   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    7.0416547124276407
 C   Si 
   4   2
Selective dynamics
Cartesian
 -0.0000000000000000  1.5845542533357511  4.3010969836052446   T   T   T
  1.5845542533357513 -0.0000000000000000  0.7802696273914234   T   T   T
 -0.0000000000000000  1.5845542533357511  2.7405577288223961   T   T   T
  1.5845542533357513 -0.0000000000000000  6.2613850850362187   T   T   T
 -0.0000000000000000 -0.0000000000000000  1.7604136781069109   T   T   T
 -0.0000000000000000 -0.0000000000000000  5.2812410343207317   T   T   T