Wikipedia

Ammonium hexafluoroplatinate

Ammonium hexafluoroplatinate is an inorganic chemical compound with the chemical formula (NH4)2PtF6.[1]

Ammonium hexafluoroplatinate
Names
Other names
Ammonium hexafluoroplatinate(IV)
Identifiers
3D model (JSmol)
  • InChI=1S/6FH.2H3N.Pt/h6*1H;2*1H3;/q;;;;;;;;+4/p-4
    Key: XJAQQYJSKDIYFW-UHFFFAOYSA-J
  • [NH4+].[NH4+].F[Pt-2](F)(F)(F)(F)F
Properties
F6H8N2Pt
Molar mass 345.152 g·mol−1
Appearance pale yellow crystals
Density g/cm3
reacts with water
Hazards
GHS labelling:
GHS05: CorrosiveGHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
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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A reaction of lanthanum(III) hexafluoroplatinate and ammonium hydroxide:[2]

La2[PtF6]3 + 6NH4OH → 3(NH4)2PtF6 + 2La(OH)3

Physical properties

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Ammonium hexafluoroplatinate forms pale yellow crystals of cubic system, space group Fm3m.[3][4]

Chemical properties

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Ammonium hexafluoroplatinate hydrolyses, foming the insoluble platinum(IV) hydroxide:

(NH4)2PtF6 + 4H2O → Pt(OH)4 + 4HF + 2NH4F

References

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  1. ^ Fawcett, J.; Holloway, J.H.; Puddick, D.C.; Russell, D.R. (1921). "Ammonium Hexafluoroplatinate(IV)". Acta Crystallogr. (B36). Retrieved 2 September 2024.
  2. ^ Simons, J. H. (2 December 2012). Fluorine Chemistry V5. Elsevier. p. 98. ISBN 978-0-323-14724-8. Retrieved 2 September 2024.
  3. ^ Physics Briefs: Physikalische Berichte. Physik Verlag. 1980. p. 6626. Retrieved 2 September 2024.
  4. ^ Fawcett, J.; Holloway, J. H.; Puddick, D. C.; Russell, D. R. (15 August 1980). "Ammonium hexafluoroplatinate(IV)". Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry. 36 (8): 1921–1922. Bibcode:1980AcCrB..36.1921F. doi:10.1107/S0567740880007479. ISSN 0567-7408. Retrieved 2 September 2024.
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