Hexanitratoaluminate

Hexanitratoaluminate is an anion of aluminium and six nitrate groups with formula [Al(NO3)6]3− that can form salts called hexanitratoaluminates.

Hexaperchloratoaluminate [Al(ClO4)6]3−[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]

Examples

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]

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References
  1. Nikitina, Z. K.; V. Ya. Rosolovskii (1978). "Ammonium perchloratoaluminates". Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27 (3): 449–452. doi:10.1007/BF00923912. ISSN 0568-5230.
  2. D'yachenko, O. A.; L. O. Atovmyan (1975). "The molecular and crystal structure of cesium pentanitratoaluminate". Journal of Structural Chemistry. 16 (1): 73–78. doi:10.1007/BF00747552. ISSN 0022-4766.
  3. Addison, C. C.; P. M. Boorman; N. Logan (1966). "Anhydrous aluminium nitrate, and the nitronium and alkylammonium tetranitratoaluminates". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1434. doi:10.1039/J19660001434. ISSN 0022-4944.
  4. Jones, CJ Bigler (2007). Transition and Main Group Metals Applied to Oxidative Functionalization of Methane and Use as High Oxygen Carriers for Rocket Propellants. ProQuest. pp. 164–165, 174–175. ISBN 9780549231066. Retrieved 4 February 2014.
  5. G. N. Shirokova, S. Ya. Zhuk, V. Ya. Rosolovskii (1976). "Rubidium hexanitratoaluminate". Russian Journal of Inorganic Chemistry. 21: 1459.CS1 maint: uses authors parameter (link)
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