Mg  O 
 1.0000000000000000
     2.4865518451371504    0.0000000000000000   -0.0000000000000000
    -1.2432759225685752    2.1534170657158413   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.8714137983731240
 Mg  O  
   1   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000004  1.4356113771438948  1.4357068991865620   T   T   T