CsAlF4 Bentrup U, Le Bail A, Duroy H, Fourquet J European Journal of Solid State and Inorganic Chemistry 29 (1992) 371-381 Polymorphism of CsAlF4. Synthesis and structure of two new crystalline forms _cod_database_code 1000106 _database_code_amcsd 0012552 11.8101 11.8101 13.3741 90 90 90 I-4c2 atom x y z Cs1 0 0 .25 Cs2 .3391 .8414 .6850 Al1 .5 0 0 Al2 .7927 .0764 .006 F1 .3445 -.0004 .011 F2 .1398 .0717 .0115 F3 .072 .219 .131 F4 .920 .801 .872 F5 .2156 .7156 .5 F6 0 .5 .1338