Si 
 1.0000000000000000
     4.9705191748827167   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.9705191748827176    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.7872744776865064
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  2.4852595874413592  2.4852595874413592  1.3936372388432532   T   T   T
 -0.0000000000000000  2.4852595874413592  0.6968186194216266   T   T   T
  2.4852595874413592  0.0000000000000000  2.0904558582648809   T   T   T