Mg  Y 
 1.0000000000000000
     3.7615250734714700   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    3.7615250734714700    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    3.7615250734714700
 Mg  Y  
   1   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  1.8807625367357352  1.8807625367357352  1.8807625367357352   T   T   T