Si 
 1.0000000000000000
     4.8548072977317727   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    4.8548072977317709   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    2.5185929120259654
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.4274036488658868  2.4274036488658854  1.2592964560129829   T   T   T
  0.0000000000000000  2.4274036488658854  0.6296482280064915   T   T   T
  2.4274036488658868 -0.0000000000000000  1.8889446840194744   T   T   T