C Si 
 1.0000000000000000
     4.3023200105689048    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    4.3023200105689048    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.3023200105689048
 C   Si 
   4   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.1511600052844524  2.1511600052844524   T   T   T
  2.1511600052844524  0.0000000000000000  2.1511600052844524   T   T   T
  2.1511600052844524  2.1511600052844524  0.0000000000000000   T   T   T
  2.1511600052844524  2.1511600052844524  2.1511600052844524   T   T   T
  2.1511600052844524  0.0000000000000000 -0.0000000000000000   T   T   T
  0.0000000000000000  2.1511600052844524  0.0000000000000000   T   T   T
  0.0000000000000000  0.0000000000000000  2.1511600052844524   T   T   T