Ammonium hexachloroplumbate

Ammonium hexachloroplumbate

Names
IUPAC name Ammonium hexachloroplumbate(2–)
Other names Ammonium hexachloroplumbate(IV)
Identifiers
CAS Number	17362-45-7
3D model (JSmol)	Interactive image
InChI InChI=1S/6ClH.2H3N.Pb/h6*1H;2*1H3;/q;;;;;;;;+4/p-4 Key: WYELAMVRPGPECN-UHFFFAOYSA-J
SMILES [NH4+].[NH4+].Cl[Pb-2](Cl)(Cl)(Cl)(Cl)Cl
Properties
Chemical formula	Cl6H8N2Pb
Molar mass	456.0 g·mol−1
Appearance	yellow crystals
Density	2.925 g/cm3
Melting point	120
Solubility in water	slightly soluble (cold); decomposes (hot)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Ammonium hexachloroplumbate is an inorganic chemical compound with the chemical formula (NH₄)₂PbCl₆. ^{[1] [2] [3]}

Synthesis

Adding ammonium chloride to a solution of lead(IV) tetraacetate in concentrated hydrochloric acid. ^[4]

Physical properties

Ammonium hexachloroplumbate forms yellow crystals of cubic system. ^{[5] [6]}

The compound is slightly soluble in cold water and decomposes in hot water.

Chemical properties

When added to cold concentrated sulphuric acid, the compound decomposes, yielding PbCl₄: ^{[6] [7]}

(NH₄)₂PbCl₆ + H₂SO₄ → (NH₄)₂SO₄ + PbCl₄ + 2HCl

The compound chlorinates tetraorganolead and hexaorganodilead compounds. ^[8]

References

1. "Ammonium hexachloroplumbate(IV) | Chemical Substance Information | J-GLOBAL". jglobal.jst.go.jp. Retrieved 1 October 2024.
2. Kume, Y.; Muraoka, H.; Yamamuro, O.; Matsuo, T. (8 March 1998). "Deuteration-induced phase transition in ammonium hexachloroplumbate". The Journal of Chemical Physics . 108 (10): 4090–4097. Bibcode:1998JChPh.108.4090K. doi:10.1063/1.475806 . Retrieved 1 October 2024.
3. Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3003. ISBN   978-0-412-30120-9 . Retrieved 1 October 2024.
4. Nakamura, Daiyu (1 December 1963). "The Nature of the Metal-Ligand Bonds in Hexahalostannates(IV) and Ammonium Hexachloroplumbate(IV) Studied by the Pure Quadrupole Resonance of Halogens". Bulletin of the Chemical Society of Japan . 36 (12): 1662. doi:10.1246/bcsj.36.1662.
5. "amminium hexachloroplumbate - Optional[Raman] - Spectrum - SpectraBase". spectrabase.com. Retrieved 1 October 2024.
6. Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry. Academic Press. p. 919. ISBN   978-0-12-352651-9 . Retrieved 1 October 2024.
7. Bassett, J. (22 October 2013). Inorganic Chemistry: A Concise Text. Elsevier. p. 250. ISBN   978-1-4831-5122-9 . Retrieved 1 October 2024.
8. Abel, E. W.; Stone, F. G. A. (31 October 2007). Organometallic Chemistry: Volume 2. Royal Society of Chemistry. p. 157. ISBN   978-1-84755-392-8 . Retrieved 1 October 2024.