Ammonium hexafluoroplatinate

Ammonium hexafluoroplatinate

Names
Other names Ammonium hexafluoroplatinate(IV)
Identifiers
3D model (JSmol)	Interactive image
PubChem CID	22238669
InChI InChI=1S/6FH.2H3N.Pt/h6*1H;2*1H3;/q;;;;;;;;+4/p-4 Key: XJAQQYJSKDIYFW-UHFFFAOYSA-J
SMILES [NH4+].[NH4+].F[Pt-2](F)(F)(F)(F)F
Properties
Chemical formula	F6H8N2Pt
Molar mass	345.152 g·mol−1
Appearance	Pale yellow crystals
Density	g/cm3
Solubility in water	reacts with water
Hazards
GHS labelling:
Pictograms
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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

Synthesis

A reaction of lanthanum(III) hexafluoroplatinate and ammonium hydroxide: ^[2]

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

Physical properties

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

Chemical properties

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

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

References

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.