Halite
Wang K, Reeber R R
Physics and Chemistry of Minerals 23 (1996) 354-360
Thermal expansion of alkali halides at high pressure: NaCl as an example
Sample: T = 50 K, Molar volume = 26.35 cc/mol
_database_code_amcsd 0007951
5.5937 5.5937 5.5937 90 90 90 Fm3m
atom  x  y  z
Na    0  0  0
Cl   .5 .5 .5