Cr Fe 
 1.0000000000000000
     3.5648533762819348   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    3.5648533762819348    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    3.5648533762819348
 Cr  Fe 
   1   3
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  1.7824266881409676  1.7824266881409676   T   T   T
  1.7824266881409676  0.0000000000000000  1.7824266881409676   T   T   T
  1.7824266881409676  1.7824266881409676  0.0000000000000000   T   T   T