Si 
 1.0000000000000000
     6.2206413951587587   -0.0000000000000001    0.0000000000000000
    -3.1103206975793793    5.3872334760405574    0.0000000000000000
     0.0000000000000000    0.0000000000000000   19.3320396453402523
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000311032133  3.5914890019844825 11.7490297354507032   T   T   T
  3.1103206664761696  1.7957445099709632  2.0830099127805748   T   T   T
  3.1103206664761696  1.7957445099709637  7.5830099098895625   T   T   T
 -0.0000000311032137  3.5914890019844830 17.2490297325596806   T   T   T