Ac1 Mg2 Yb1 
   1.0
     0.0000000000000000    4.0474629999999996    4.0474629999999996
     4.0474629999999996    0.0000000000000000    4.0474629999999996
     4.0474629999999996    4.0474629999999996    0.0000000000000000
   Ac Mg Yb 
   1 2 1 
Direct
  0.000000000000 0.000000000000 0.000000000000 
  0.750000000000 0.750000000000 0.750000000000 
  0.250000000000 0.250000000000 0.250000000000 
  0.500000000000 0.500000000000 0.500000000000 
