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 = 250 K, Molar volume = 26.82 cc/mol _database_code_amcsd 0007955 5.6267 5.6267 5.6267 90 90 90 Fm3m atom x y z Na 0 0 0 Cl .5 .5 .5