Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
The tetrafluoroammonium cation (also known as perfluoroammonium) is a positively charged polyatomic ion with chemical formula NF+ 4. It is equivalent to the ammonium ion where the hydrogen atoms surrounding the central nitrogen atom have been replaced by fluorine.[1] Tetrafluoroammonium ion is isoelectronic with tetrafluoromethane CF 4, trifluoramine oxide ONF 3 and the tetrafluoroborate BF− 4 anion.
The tetrafluoroammonium ion forms salts with a large variety of fluorine-bearing anions. These include the bifluoride anion (HF− 2), tetrafluorobromate (BrF− 4), metal pentafluorides (MF− 5 where M is Ge, Sn, or Ti), hexafluorides (MF− 6 where M is P, As, Sb, Bi, or Pt), heptafluorides (MF− 7 where M is W, U, or Xe), octafluorides (XeF2− 8),[2] various oxyfluorides (MF 5O− where M is W or U; FSO− 3, BrF 4O− ), and perchlorate (ClO− 4).[3] Attempts to make the nitrate salt, NF 4NO 3, were unsuccessful because of quick fluorination: NF+ 4 + NO− 3 → NF 3 + FONO 2.[4]
^Nikitin, I. V.; Rosolovskii, V. Y. (1985). "Tetrafluoroammonium Salts". Russian Chemical Reviews. 54 (5): 426. Bibcode:1985RuCRv..54..426N. doi:10.1070/RC1985v054n05ABEH003068. S2CID 250864362.
^Christe, K. O.; Wilson, W. W. (1982). "Perfluoroammonium and alkali-metal salts of the heptafluoroxenon(VI) and octafluoroxenon(VI) anions". Inorganic Chemistry. 21 (12): 4113–4117. doi:10.1021/ic00142a001.
^Christe, K. O.; Wilson, W. W. (1986). "Synthesis and characterization of tetrafluoroammonium(1+) tetrafluorobromate(1-) and tetrafluoroammonium(1+) tetrafluorooxobromate(1-)". Inorganic Chemistry. 25 (11): 1904–1906. doi:10.1021/ic00231a038.
^Hoge, B.; Christe, K. O. (2001). "On the stability of NF+ 4NO− 3 and a new synthesis of fluorine nitrate". Journal of Fluorine Chemistry. 110 (2): 87–88. doi:10.1016/S0022-1139(01)00415-8.
and 17 Related for: Tetrafluoroammonium information
The tetrafluoroammonium cation (also known as perfluoroammonium) is a positively charged polyatomic ion with chemical formula NF+ 4. It is equivalent...
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with tetrafluoroberyllate (BeF2− 4), tetrafluoromethane (CF4), and tetrafluoroammonium (NF+ 4) and is valence isoelectronic with many stable and important...
oxonium ion) Quaternary ammonium cation ([NR4]+, where R is organyl) Tetrafluoroammonium ([NF4]+) Hydrazinium ([H2N−NH3]+ and substituted derivatives) Hydrazinediium...
fluorine by weight (such as tetrafluoroammonium heptafluoroxenate(VI), [NF4][XeF7], and the related tetrafluoroammonium octafluoroxenate(VI) [NF4]2[XeF8])...
NF3 reacts with fluorine and antimony pentafluoride to give the tetrafluoroammonium salt: NF3 + F2 + SbF5 → NF+ 4SbF− 6 NF3 and B2H6 react vigorously...
analog of cubane), cyclotrioxidane O3, nitrogen pentafluoride NF5, tetrafluoroammonium fluoride [NF4]+F−. Despite the fact that rhenium heptahydride ReH7...
Another method of synthesis involves the thermal decomposition of tetrafluoroammonium perchlorate, NF 4ClO 4, which yields very pure FClO 4 that may be...
acid. Nitrogen is not known to form a pentafluoride, although the tetrafluoroammonium cation (NF+ 4) features nitrogen in the formal oxidation state of...
Related isoelectronic Tetrafluoroborate [BF4]− Tetrafluoromethane CF4 Tetrafluoroammonium [NF4]+ Except where otherwise noted, data are given for materials...
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