Hexanitratoaluminate is an anion of aluminium and six nitrate groups with formula [Al(NO3)63− that can form salts called hexanitratoaluminates.
Hexaperchloratoaluminate [Al(ClO4)63− [1] has perchlorate groups instead of nitrate, and is similarly sensitive to water. Pentanitratoaluminates have five nitrate groups. [2] Tetranitratoaluminates have only four nitrate groups. [3]
A known salt is potassium hexanitratoaluminate K3[Al(NO3)6].
Tetramethylammonium hexanitratoaluminate can be formed from tetramethylammonium chloride, aluminium chloride and dinitrogen tetroxide diluted with nitromethane. [4]
Rubidium hexanitratoaluminate also exists. [5]