Si 
 1.0000000000000000
     5.4320052380073465   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    5.4320052380073465    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    5.4320052380073465
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.7160026190036732  2.7160026190036732   T   T   T
  2.7160026190036732  2.7160026190036732  0.0000000000000000   T   T   T
  2.7160026190036732  0.0000000000000000  2.7160026190036732   T   T   T
  4.0740039285055101  1.3580013095018366  4.0740039285055101   T   T   T
  1.3580013095018364  1.3580013095018366  1.3580013095018364   T   T   T
  1.3580013095018364  4.0740039285055101  4.0740039285055101   T   T   T
  4.0740039285055101  4.0740039285055101  1.3580013095018364   T   T   T