Si 
 1.0000000000000000
     6.5500914604394191   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.5500914604394191    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.5500914604394191
 Si 
  16
Selective dynamics
Cartesian
  0.6748689617140947  0.6748689617140948  0.6748689617140948   T   T   T
  2.6001767685056145  5.8752224987253259  3.9499146919338042   T   T   T
  5.8752224987253259  3.9499146919338042  2.6001767685056145   T   T   T
  3.9499146919338042  2.6001767685056145  5.8752224987253259   T   T   T
  3.9499146919338042  3.9499146919338042  3.9499146919338042   T   T   T
  5.8752224987253259  2.6001767685056145  0.6748689617140948   T   T   T
  2.6001767685056145  0.6748689617140948  5.8752224987253259   T   T   T
  0.6748689617140947  5.8752224987253259  2.6001767685056145   T   T   T
  5.8752224987253259  5.8752224987253259  5.8752224987253259   T   T   T
  3.9499146919338042  0.6748689617140948  2.6001767685056145   T   T   T
  0.6748689617140947  2.6001767685056145  3.9499146919338042   T   T   T
  2.6001767685056145  3.9499146919338042  0.6748689617140948   T   T   T
  2.6001767685056145  2.6001767685056145  2.6001767685056145   T   T   T
  0.6748689617140947  3.9499146919338042  5.8752224987253259   T   T   T
  3.9499146919338042  5.8752224987253259  0.6748689617140948   T   T   T
  5.8752224987253259  0.6748689617140948  3.9499146919338042   T   T   T