Si 
 1.0000000000000000
     6.2176373159484104   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.2176373159484122    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    3.8476428788812114
 Si 
   8
Selective dynamics
Cartesian
  5.0590812857284320  5.0590812857284329  0.0000000000000000   T   T   T
  1.1585560302199742  1.1585560302199744  0.0000000000000000   T   T   T
  1.1585560302199742  5.0590812857284329  0.0000000000000000   T   T   T
  5.0590812857284320  1.1585560302199744  0.0000000000000000   T   T   T
  1.9502626277542292  1.9502626277542299  1.9238214394406044   T   T   T
  4.2673746881941801  4.2673746881941819  1.9238214394406044   T   T   T
  4.2673746881941801  1.9502626277542290  1.9238214394406044   T   T   T
  1.9502626277542292  4.2673746881941819  1.9238214394406044   T   T   T