Si 
 1.0000000000000000
     6.3054018991224972    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.3054018991225007    0.0000000000000001
    -0.0000000000000000    0.0000000000000000    3.9317302080053769
 Si 
   8
Selective dynamics
Cartesian
  5.1675105463454178  5.1675105463454178  0.0000000000000000   T   T   T
  1.1378913527770818  1.1378913527770813  0.0000000000000000   T   T   T
  1.1378913527770818  5.1675105463454170  0.0000000000000000   T   T   T
  5.1675105463454178  1.1378913527770813  0.0000000000000000   T   T   T
  2.0148095967841666  2.0148095967841657  1.9658651040026882   T   T   T
  4.2905923023383323  4.2905923023383288  1.9658651040026882   T   T   T
  4.2905923023383323  2.0148095967841648  1.9658651040026882   T   T   T
  2.0148095967841666  4.2905923023383288  1.9658651040026882   T   T   T