Si 
 1.0000000000000000
     4.9705191750063937   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.9705191750063946   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    2.7872744772881166
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
  2.4852595875031969  2.4852595875031978  1.3936372386440583   T   T   T
  0.0000000000000000  2.4852595875031978  0.6968186193220292   T   T   T
  2.4852595875031969 -0.0000000000000000  2.0904558579660875   T   T   T