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Rhodium(III) nitrate

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Rhodium(III) nitrate^[1]^[2]
Names
Other names Rhodium trinitrate
Identifiers
CAS Number	10139-58-9
3D model (JSmol)	Interactive image
ChemSpider	132398
ECHA InfoCard	100.030.348
EC Number	233-397-6
PubChem CID	150190
CompTox Dashboard (EPA)	DTXSID40890644
InChI InChI=1S/3NO3.Rh/c32-1(3)4;/q3-1;+3 Key: VXNYVYJABGOSBX-UHFFFAOYSA-N
SMILES [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Rh+3]
Properties
Chemical formula	Rh(NO₃)₃
Molar mass	288.92 g/mol
Appearance	Yellow solid
Density	1.41 g/cm³
Solubility in water	Soluble
Structure
Crystal structure	Hexagonal^[3]
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H271, H290, H302, H314, H317, H341, H410
Precautionary statements	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). Infobox references

Rhodium(III) nitrate is a 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[edit]

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

References[edit]

^ "Rhodium nitrate". PubChem. Retrieved 12 March 2021.

^ "Rhodium nitrate". American Elements. Retrieved 12 March 2021.

^ ^a ^b 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.

^ ^a ^b 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)

^ 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.

^ 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.

^ "Rhodium(III) nitrate hydrate". Sigma Aldrich. Retrieved 12 March 2021.