Si 
 1.0000000000000000
     4.0199259615543586    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    4.0199259615543586    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.0199259615543586
 Si 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.0099629807771797  2.0099629807771797   T   T   T
  2.0099629807771797  0.0000000000000000  2.0099629807771797   T   T   T
  2.0099629807771797  2.0099629807771797  0.0000000000000000   T   T   T