Rhodium(III) nitrate

Last updated
Rhodium(III) nitrate [1] [2]
Names
Other names
  • Rhodium trinitrate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.348 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 233-397-6
PubChem CID
  • InChI=1S/3NO3.Rh/c3*2-1(3)4;/q3*-1;+3
    Key: VXNYVYJABGOSBX-UHFFFAOYSA-N
  • [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Rh+3]
Properties
Rh(NO3)3
Molar mass 288.92 g/mol
AppearanceYellow solid
Density 1.41 g/cm3
Soluble
Structure
Hexagonal [3]
Hazards
GHS labelling:
GHS-pictogram-rondflam.svg GHS-pictogram-acid.svg GHS-pictogram-silhouette.svg GHS-pictogram-pollu.svg
Danger
H271, H290, H302, H314, H317, H341, H410
P201, P202, P210, P220, P221, P234, P260, P261, P264, P270, P272, P273, P280, P281, P283, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P306+P360, P308+P313, P310, P321, P330, P333+P313, P363, P370+P378, P371+P380+P375, P390, P391, P404, P405, P501
Related compounds
Other anions
Rhodium(III) sulfate
Other cations
Cobalt(III) nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Rhodium(III) nitrate is an inorganic compound, a salt of rhodium and nitric acid with the formula Rh(NO3)3. This anhydrous complex has been the subject of theoretical analysis but has not been isolated. [4] However, a dihydrate and an aqueous solution are known with similar stoichiometry; they contain various hexacoordinated rhodium(III) aqua and nitrate complexes. [3] A number of other rhodium nitrates have been characterized by X-ray crystallography: Rb4[trans-[Rh(H2O)2(NO3)4][Rh(NO3)6] [4] and Cs2[-[Rh(NO3)5]. [5] Rhodium nitrates are of interest because nuclear wastes, which contain rhodium, are recycled by dissolution in nitric acid. [6]

Uses

Rhodium(III) nitrate is used as a precursor to synthesize rhodium. [7]

References

  1. ↑ "Rhodium nitrate". PubChem. Retrieved 12 March 2021.
  2. ↑ "Rhodium nitrate". American Elements. Retrieved 12 March 2021.
  3. 1 2 G. Bongiovanni; R. Caminiti; D. Atzei; P. Cucca; A. Anedda (1986). "Structure of rhodium(III) nitrate aqueous solutions. An investigation by x-ray diffraction and Raman spectroscopy" . The Journal of Physical Chemistry. 90 (2). ACS Publications: 238–243. doi:10.1021/j100274a007 . Retrieved 12 March 2021.
  4. 1 2 Vasilchenko D.; Vasilchenko D.; Vorob'eva S.; Tkachev S.; Baidina I.; Belyaev A.;Korenev S.; Solovyov L.;Vasiliev, A. (2016). "Rhodium(III) Speciation in Concentrated Nitric Acid Solutions". European Journal of Inorganic Chemistry. 2016 (23): 3822 - 3828. doi:10.1002/ejic.201600523.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. ↑ Vasilchenko, Danila; Vorobieva, Sofia; Baidina, Iraida; Piryazev, Dmitry; Tsipis, Athanassios; Korenev, Sergey (2018). "Structure and properties of a rhodium(III) pentanitrato complex embracing uni- and bidentate nitrato ligands". Polyhedron. 147: 69–74. doi:10.1016/j.poly.2018.03.017. S2CID   104064801.
  6. ↑ Samuels, Alex C.; Boele, Cherilynn A.; Bennett, Kevin T.; Clark, Sue B.; Wall, Nathalie A.; Clark, Aurora E. (2014). "Integrated Computational and Experimental Protocol for Understanding Rh(III) Speciation in Hydrochloric and Nitric Acid Solutions". Inorganic Chemistry. 53 (23): 12315–12322. doi:10.1021/ic501408r. PMID   25390284.
  7. ↑ "Rhodium(III) nitrate hydrate". Sigma Aldrich. Retrieved 12 March 2021.
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