Si 
 1.0000000000000000
     4.7009774293304218   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.7009774293304201    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.5895765624028115
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.3504887146652105  2.3504887146652100  1.2947882812014058   T   T   T
 -0.0000000000000000  2.3504887146652100  0.6473941406007029   T   T   T
  2.3504887146652105  0.0000000000000000  1.9421824218021091   T   T   T