MgO Fm-3m (No. 225)
1.0
  2.606553 0.000000 1.504894
  0.868851 2.457482 1.504894
  0.000000 0.000000 3.009789
  Mg O
  1 1
direct
  0.000000 0.000000 0.000000 Mg
  0.500000 0.500000 0.500000 O
  