Ac1 O3 Rb1 
   1.0
     4.6361580000000000    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.6361580000000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6361580000000000
   Ac O Rb 
   1 3 1 
Direct
  0.500000000000 0.500000000000 0.500000000000 
  0.000000000000 0.500000000000 0.500000000000 
  0.500000000000 0.000000000000 0.500000000000 
  0.500000000000 0.500000000000 0.000000000000 
  0.000000000000 0.000000000000 0.000000000000 
