Si 
 1.0000000000000000
     6.5813863184393711    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    6.5813863184393711    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.9382089253279347
 Si 
   8
Selective dynamics
Cartesian
  5.3920440596801633  5.3920440596801633  0.0000000000000000   T   T   T
  1.1893422587592040  1.1893422587592042  0.0000000000000000   T   T   T
  1.1893422587592040  5.3920440596801624  0.0000000000000000   T   T   T
  5.3920440596801633  1.1893422587592042  0.0000000000000000   T   T   T
  2.1013509004604805  2.1013509004604818  1.9691044626639673   T   T   T
  4.4800354179788915  4.4800354179788924  1.9691044626639673   T   T   T
  4.4800354179788915  2.1013509004604809  1.9691044626639673   T   T   T
  2.1013509004604805  4.4800354179788924  1.9691044626639673   T   T   T