Si 
 1.0000000000000000
     6.3054018991225016    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.3054018991225016    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    3.9317302080053795
 Si 
   8
Selective dynamics
Cartesian
  5.1675105463454196  5.1675105463454196  0.0000000000000000   T   T   T
  1.1378913527770822  1.1378913527770822  0.0000000000000000   T   T   T
  1.1378913527770822  5.1675105463454187  0.0000000000000000   T   T   T
  5.1675105463454196  1.1378913527770822  0.0000000000000000   T   T   T
  2.0148095967841693  2.0148095967841688  1.9658651040026895   T   T   T
  4.2905923023383350  4.2905923023383341  1.9658651040026895   T   T   T
  4.2905923023383350  2.0148095967841679  1.9658651040026895   T   T   T
  2.0148095967841693  4.2905923023383341  1.9658651040026895   T   T   T