Al Cl4 Cs Mairesse G, Barbier P, Wignacourt J Acta Crystallographica B35 (1979) 1573-1580 Comparison of the crystal structures of alkaline (M = Li, Na, K, Rb, Cs) and Pseudo-alkaline (M = N O, N H4) Tetrachloroaluminates, MAlCl4 _cod_database_code 1004044 _database_code_amcsd 0009684 11.641 7.116 9.373 90 90 90 Pnma atom x y z Al1 .57016 .25 .69293 Cl1 .71186 .25 .55165 Cl2 .40999 .25 .58962 Cl3 .58735 .00915 .82699 Cs1 .68056 .25 .16536