Si 
 1.0000000000000000
     6.6170367011351550    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.6170367011351550    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.6170367011351550
 Si 
  16
Selective dynamics
Cartesian
  0.6722987603770647  0.6722987603770647  0.6722987603770647   T   T   T
  2.6362195901905139  5.9447379407580927  3.9808171109446437   T   T   T
  5.9447379407580927  3.9808171109446437  2.6362195901905139   T   T   T
  3.9808171109446437  2.6362195901905139  5.9447379407580927   T   T   T
  3.9808171109446437  3.9808171109446437  3.9808171109446437   T   T   T
  5.9447379407580927  2.6362195901905139  0.6722987603770647   T   T   T
  2.6362195901905139  0.6722987603770647  5.9447379407580927   T   T   T
  0.6722987603770647  5.9447379407580927  2.6362195901905139   T   T   T
  5.9447379407580927  5.9447379407580927  5.9447379407580927   T   T   T
  3.9808171109446437  0.6722987603770647  2.6362195901905139   T   T   T
  0.6722987603770647  2.6362195901905139  3.9808171109446437   T   T   T
  2.6362195901905139  3.9808171109446437  0.6722987603770647   T   T   T
  2.6362195901905139  2.6362195901905139  2.6362195901905139   T   T   T
  0.6722987603770647  3.9808171109446437  5.9447379407580927   T   T   T
  3.9808171109446437  5.9447379407580927  0.6722987603770647   T   T   T
  5.9447379407580927  0.6722987603770647  3.9808171109446437   T   T   T