Si 
 1.0000000000000000
     5.1775534778937811    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    5.1775534778937811   -0.0000000000000001
    -0.0000000000000000   -0.0000000000000001    5.1775534778937811
 Si 
   8
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000 -0.0000000000000000   T   T   T
 -0.0000000000000000  2.5887767389468901  2.5887767389468901   T   T   T
  2.5887767389468901  2.5887767389468901 -0.0000000000000000   T   T   T
  2.5887767389468901 -0.0000000000000000  2.5887767389468901   T   T   T
  3.8831651084203354  1.2943883694734450  3.8831651084203354   T   T   T
  1.2943883694734448  1.2943883694734450  1.2943883694734448   T   T   T
  1.2943883694734448  3.8831651084203354  3.8831651084203354   T   T   T
  3.8831651084203354  3.8831651084203354  1.2943883694734448   T   T   T