Si 
 1.0000000000000000
     5.4305456724367005    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.4305456724367005    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.4305456724367005
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
 -0.0000000000000000  2.7152728362183498  2.7152728362183498   T   T   T
  2.7152728362183498  2.7152728362183498  0.0000000000000000   T   T   T
  2.7152728362183498  0.0000000000000000  2.7152728362183498   T   T   T
  4.0729092543275254  1.3576364181091749  4.0729092543275254   T   T   T
  1.3576364181091747  1.3576364181091749  1.3576364181091747   T   T   T
  1.3576364181091747  4.0729092543275254  4.0729092543275254   T   T   T
  4.0729092543275254  4.0729092543275254  1.3576364181091747   T   T   T