Si 
 1.0000000000000000
     4.3925797919440566   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.3925797919440575   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    4.3925797919440566
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.1962898959720296  2.1962898959720292   T   T   T
  2.1962898959720292 -0.0000000000000000  2.1962898959720292   T   T   T
  2.1962898959720292  2.1962898959720296 -0.0000000000000000   T   T   T