Mg 
 1.0000000000000000
     4.5271704216807596   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.5271704216807596   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.5271704216807596
 Mg 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.2635852108403793  2.2635852108403793   T   T   T
  2.2635852108403793 -0.0000000000000000  2.2635852108403793   T   T   T
  2.2635852108403793  2.2635852108403793 -0.0000000000000000   T   T   T