Ac2 Mg1 
   1.0
    -2.0523660000000001    2.0523660000000001    6.8779060000000003
     2.0523660000000001   -2.0523660000000001    6.8779060000000003
     2.0523660000000001    2.0523660000000001   -6.8779060000000003
   Ac Mg 
   2 1 
Direct
  0.151816000000 0.151816000000 0.000000000000 
  0.848184000000 0.848184000000 0.000000000000 
  0.500000000000 0.500000000000 0.000000000000 
