Ammonium hexafluororhenate

Ammonium hexafluororhenate is an inorganic chemical compound with the chemical formula (NH4)2ReF6.[1]

Ammonium hexafluororhenate
Names
Other names
Ammonium hexafluororhenate(IV)
Identifiers
3D model (JSmol)
  • InChI=1S/6FH.2H3N.Re/h6*1H;2*1H3;/q;;;;;;;;+4/p-4
    Key: XJBVMCSHXBGWCE-UHFFFAOYSA-J
  • [NH4+].[NH4+].F[Re-2](F)(F)(F)(F)F
Properties
F6H8N2Re
Molar mass 336.275 g·mol−1
Appearance pale pink crystals
Density 3.680 g/cm3
soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Synthesis

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The compound is produced from the corresponding potassium salt by ion-exchange procedure.[2]

Physical properties

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Ammonium hexafluororhenate forms crystals of the hexagonal system, space group P3m1.[3] It is soluble in water.[4]

When heated, the compound decomposes to the black nitride fluoride, ReNF.[5]

References

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  1. ^ Donnay, Joseph Désiré Hubert (1963). Crystal Data; Determinative Tables. American Crystallographic Association. p. 1155. Retrieved 16 September 2024.
  2. ^ Some Fluorine Compounds of Rhenium and Technetium. Oak Ridge National Laboratory. Retrieved 16 September 2024.
  3. ^ Donnay, Joseph Désiré Hubert (1973). Crystal Data: Inorganic compounds. National Bureau of Standards. p. H-62. Retrieved 16 September 2024.
  4. ^ Kemmitt, R. D. W.; Peacock, R. D. (6 June 2016). The Chemistry of Manganese, Technetium and Rhenium: Pergamon Texts in Inorganic Chemistry. Elsevier. p. 970. ISBN 978-1-4831-3806-0. Retrieved 16 September 2024.
  5. ^ Kemmitt, R. D. W.; Peacock, R. D. (6 June 2016). The Chemistry of Manganese, Technetium and Rhenium: Pergamon Texts in Inorganic Chemistry. Elsevier. p. 971. ISBN 978-1-4831-3806-0. Retrieved 16 September 2024.