Si 
 1.0000000000000000
     5.4309497784052061    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.4309497784052061   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.4309497784052061
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.7154748892026030  2.7154748892026030   T   T   T
  2.7154748892026030  2.7154748892026030 -0.0000000000000000   T   T   T
  2.7154748892026030 -0.0000000000000000  2.7154748892026030   T   T   T
  4.0732123338039035  1.3577374446013015  4.0732123338039035   T   T   T
  1.3577374446013013  1.3577374446013015  1.3577374446013013   T   T   T
  1.3577374446013013  4.0732123338039035  4.0732123338039035   T   T   T
  4.0732123338039035  4.0732123338039035  1.3577374446013013   T   T   T