CrFe
Bergman G, Shoemaker D P
Acta Crystallographica 7 (1954) 857-865
The determination of the crystal structure of the sigma phase
in the iron-chromium and iron-molybdenum systems
_database_code_amcsd 0017754
8.800 8.800 4.544 90 90 90 P4_2/mnm
atom     x     y     z occ
CrM1     0     0     0  .5
FeM1     0     0     0  .5
CrM2 .3981 .3981     0  .5
FeM2 .3981 .3981     0  .5
CrM3 .4632 .1316     0  .5
FeM3 .4632 .1316     0  .5
CrM4 .7376 .0653     0  .5
FeM4 .7376 .0653     0  .5
CrM5 .1823 .1823 .2524  .5
FeM5 .1823 .1823 .2524  .5