K(Br.4I.6)
Ahtee M
Annales Academiae Scientiarum Fennicae Series A6: Physica 313 (1969) 1-11
Lattice constants of some binary alkali halide solid solutions.
_database_code_amcsd 0012003
6.8717 6.8717 6.8717 90 90 90 Fm3m
atom  x  y  z occ
K     0  0  0
Br   .5 .5 .5  .4
I    .5 .5 .5  .6