Mg 
 1.0000000000000000
     4.5057574624078454   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.5057574624078454    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5057574624078454
 Mg 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.2528787312039227  2.2528787312039227   T   T   T
  2.2528787312039227  0.0000000000000000  2.2528787312039227   T   T   T
  2.2528787312039227  2.2528787312039227  0.0000000000000000   T   T   T