Villiaumite
Deshpande V T
Acta Crystallographica 14 (1961) 794-794
Thermal expansion of sodium fluoride and sodium bromide
Note: T = 68.1 C, rocksalt structure
_database_code_amcsd 0009252
4.6400 4.6400 4.6400 90 90 90 Fm3m
atom  x  y  z
Na    0  0  0
F    .5 .5 .5