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Ammonium hexaiodoplatinate(IV)

From Wikipedia, the free encyclopedia
Ammonium hexaiodoplatinate(IV)
Names
Other names
Ammonium hexaiodoplatinate
Identifiers
3D model (JSmol)
  • InChI=1S/6HI.2H3N.Pt/h6*1H;2*1H3;/q;;;;;;;;+4/p-4
    Key: MMORLWYTUHXLHL-UHFFFAOYSA-J
  • [NH4+].[NH4+].I[Pt-2](I)(I)(I)(I)I
Properties
H8I6N2Pt
Molar mass992.589 g·mol−1
Appearanceblack crystals
Density4.61 g/cm3
soluble
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
Chemical compound

Ammonium hexaiodoplatinate(IV) is achemical compound with the chemical formula(NH4)2[PtI6].[1]

Physical properties

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The compound forms black crystals ofmonoclinic system.[2]

Ammonium hexaiodoplatinate(IV) is easily soluble in water, insoluble inethanol.[3]

Chemical properties

[edit]

The compound is unstable and decomposes in aqueous solutions:

(NH4)2[PtI6] → 2NH4I + PtI4

References

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  1. ^Nakamura, Daiyu; Kubo, Masaji (1 May 2002)."Pure Quadrupole Resonance of Halogens in Some R2[MX6] Type Complexes".ACS Publications.68 (10):2986–2991.doi:10.1021/j100792a043. Retrieved21 February 2025.
  2. ^Structure Reports. A. Oosthoek. 1993. p. 242.ISBN 978-0-7923-2310-5. Retrieved21 February 2025.
  3. ^McElroy, Robert G. C; Hwang, James Y; Armstrong, Robin L (15 January 1980)."Temperature dependence of the 127I nuclear quadrupole resonance frequency in (NH4)2PtI6".Journal of Magnetic Resonance.37 (1):49–52.doi:10.1016/0022-2364(80)90092-X.ISSN 0022-2364. Retrieved21 February 2025.
Ammonium salts
Inorganic salts
monatomic anions
oxyanions
other anions
Organic salts
Pt(−II)
Pt(0)
Pt(II)
Organoplatinum(II) compounds
Pt(IV)
Hexachloroplatinates
Pt(V)
Pt(VI)
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