Si 
 1.0000000000000000
     6.6565306478421506    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.6565306478421506   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    4.0025316558372372
 Si 
   8
Selective dynamics
Cartesian
  5.4525709798640598  5.4525709798640598 -0.0000000000000000   T   T   T
  1.2039596679780875  1.2039596679780880 -0.0000000000000000   T   T   T
  1.2039596679780875  5.4525709798640589 -0.0000000000000000   T   T   T
  5.4525709798640598  1.2039596679780880 -0.0000000000000000   T   T   T
  2.1243056559429854  2.1243056559429863  2.0012658279186182   T   T   T
  4.5322249918991639  4.5322249918991639  2.0012658279186182   T   T   T
  4.5322249918991639  2.1243056559429854  2.0012658279186182   T   T   T
  2.1243056559429854  4.5322249918991639  2.0012658279186182   T   T   T