Fm-3m (225) PbTe
6.45
    0.00000000000000    0.50000000000000    0.50000000000000
    0.50000000000000    0.00000000000000    0.50000000000000
    0.50000000000000    0.50000000000000    0.00000000000000
Pb Te 
1 1 
Direct
    0.00000000000000     0.00000000000000     0.00000000000000 
    0.50000000000000     0.50000000000000     0.50000000000000 
