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 = 550 K, Molar volume = 27.88 cc/mol _database_code_amcsd 0007961 5.6999 5.6999 5.6999 90 90 90 Fm3m atom x y z Na 0 0 0 Cl .5 .5 .5