Si 
 1.0000000000000000
     4.9865567115496399    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.9865567115496399    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.5841976614860003
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  2.4932783557748195  2.4932783557748195  1.2920988307430004   T   T   T
 -0.0000000000000000  2.4932783557748195  0.6460494153715002   T   T   T
  2.4932783557748195  0.0000000000000000  1.9381482461144999   T   T   T