Ac2 Hg1 Sn1 
   1.0
     0.0000000000000000    4.0804119999999999    4.0804119999999999
     4.0804119999999999    0.0000000000000000    4.0804119999999999
     4.0804119999999999    4.0804119999999999    0.0000000000000000
   Ac Hg Sn 
   2 1 1 
Direct
  0.750000000000 0.750000000000 0.750000000000 
  0.250000000000 0.250000000000 0.250000000000 
  0.500000000000 0.500000000000 0.500000000000 
  0.000000000000 0.000000000000 0.000000000000 
