Si 
 1.0000000000000000
     6.5875694076647768   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    6.5875694076647768   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    3.9093375331642597
 Si 
   8
Selective dynamics
Cartesian
  5.3932631978954442  5.3932631978954442 -0.0000000000000000   T   T   T
  1.1943062097693327  1.1943062097693329 -0.0000000000000000   T   T   T
  1.1943062097693327  5.3932631978954424 -0.0000000000000000   T   T   T
  5.3932631978954442  1.1943062097693329 -0.0000000000000000   T   T   T
  2.0994784940630540  2.0994784940630535  1.9546687665821294   T   T   T
  4.4880909136017193  4.4880909136017202  1.9546687665821294   T   T   T
  4.4880909136017193  2.0994784940630526  1.9546687665821294   T   T   T
  2.0994784940630540  4.4880909136017202  1.9546687665821294   T   T   T