NaCaAlF6 Hemon A, Courbion G Journal of Solid State Chemistry 84 (1990) 153-164 The NaF - CaF2 - AlF3 system: structures of beta-NaCaAlF6 and Na4Ca4Al7F33 _cod_database_code 1000417 _database_code_amcsd 0013669 8.9295 8.9295 5.0642 90 90 120 P321 atom x y z Ca1 .3720 0 0 Na1 .7145 0 .5 Al1 0 0 0 Al2 1/3 2/3 .499 F1 .9136 .1041 .796 F2 .5541 .4101 .703 F3 .2517 .7771 .703