Al Cl4 H4 N Mairesse G, Barbier P, Wignacourt J, Rubbens A, Wallart F Canadian Journal of Chemistry 56 (1978) 764-771 X-ray, Raman, infrared, and nuclear magnetic resonance studies of the crystal structure of ammonium tetrachloroaluminate, N H4 Al Cl4 _cod_database_code 1004065 _database_code_amcsd 0012165 11.022 7.072 9.257 90 90 90 Pnma atom x y z Al1 .56652 .25 .68838 Cl1 .71891 .25 .54944 Cl2 .40057 .25 .57645 Cl3 .57686 .00746 .82357 N1 .68464 .25 .17485