made by tetr; --> species: Mg O
1.0
   0.000000000000000  2.12200000000000  2.12200000000000
   2.12200000000000  0.000000000000000  2.12200000000000
   2.12200000000000  2.12200000000000  0.000000000000000
Mg  O
   1  1
Selective dynamics
Cartesian
  0.000000000000   0.000000000000   0.000000000000   T T T
 
  2.122000000000   2.122000000000   2.122000000000   T T T
 
