Si 
 1.0000000000000000
     5.3559572417291141    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    5.3559572417291141   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.3559572417291141
 Si 
   8
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.6779786208645566  2.6779786208645566   T   T   T
  2.6779786208645566  2.6779786208645566 -0.0000000000000000   T   T   T
  2.6779786208645566 -0.0000000000000000  2.6779786208645566   T   T   T
  4.0169679312968345  1.3389893104322783  4.0169679312968345   T   T   T
  1.3389893104322781  1.3389893104322783  1.3389893104322781   T   T   T
  1.3389893104322781  4.0169679312968345  4.0169679312968345   T   T   T
  4.0169679312968345  4.0169679312968345  1.3389893104322781   T   T   T