C Si 
 1.0000000000000000
     1.9956719659866620    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    1.9956719659866557    0.0000000000000001
    -0.0000000000000000    0.0000000000000002    9.0710035584001183
 C   Si 
   4   2
Selective dynamics
Cartesian
 -0.0000000000000000  0.9978359829933279  5.2766147049851924   T   T   T
  0.9978359829933315  0.0000000000000000  0.7411129257851322   T   T   T
 -0.0000000000000000  0.9978359829933278  3.7943888534149255   T   T   T
  0.9978359829933315  0.0000000000000002  8.3298906326149815   T   T   T
 -0.0000000000000000  0.0000000000000001  2.2677508896000300   T   T   T
 -0.0000000000000000  0.0000000000000002  6.8032526688000878   T   T   T