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(Top) 1 Preparation and properties 2 Structure 3 References

Rhenium trioxynitrate

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Rhenium trioxynitrate
Names
Other names Rhenium trioxide nitrate Rhenium(VII) trioxinitrate
Identifiers
3D model (JSmol)	Interactive image
InChI InChI=1S/NO3.3O.Re/c2-1(3)4;;;;/q-1;;;;+1 Key: BWCUOIVXPQXNND-UHFFFAOYSA-N
SMILES O=[Re+](=O)=O.[N+](=O)([O-])[O-]
Properties
Chemical formula	ReO₃NO₃
Molar mass	296.21 g/mol
Appearance	Pale yellow solid^[1]
Melting point	75 °C (167 °F; 348 K)^[1] (decomposes)
Solubility in water	Reacts
Solubility	Insoluble in carbon tetrachloride and DCM, soluble in N₂O₅^[1]^[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Rhenium trioxynitrate, also known as rhenium(VII) trioxide nitrate, is a chemical compound with the formula ReO₃NO₃. It is a white solid that readily hydrolyzes in moist air.^[1]

Preparation and properties[edit]

Rhenium trioxynitrate is prepared by the reaction of ReO₃Cl (produced by reacting rhenium trioxide and chlorine) and dinitrogen pentoxide:^[1]

ReO₃Cl + N₂O₅ → ReO₃NO₃ + NO₂Cl

The ReO₃Cl can be replaced with rhenium heptoxide, however, this produces an impure product. This compound reacts with water to produce perrhenic acid and nitric acid.^[1]

When heated above 75 °C, it decomposes to rhenium heptoxide, nitrogen dioxide, and oxygen:^[1]

4 ReO₃NO₃ → 2 Re₂O₇ + 2 NO₂ + O₂

Agraphite intercalation compound can be produced by reacting a mixture of rhenium trioxynitrate and dinitrogen pentoxide with graphite.^[2]

Structure[edit]

X-ray diffraction and IR spectroscopic evidence rejects the formulations NO₂⁺ReO₄^– or Re₂O₇·N₂O₅, but instead suggests a polymeric structure with a monodentate nitrate ligand.^[1]^[3]

References[edit]

^ ^a ^b ^c ^d ^e ^f ^g ^h C. C. Addison; R. Davis; N. Logan (1967). "Rhenium trioxide nitrate". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 1449–1451. doi:10.1039/J19670001449.

^ ^a ^b P. Scharff; E. Stumpp; M. Höhne; Y. X. Wang (1991). "Upon the intercalation of rhenium heptoxide and rhenium trioxide nitrate into graphite". Carbon. 29 (4–5): 595–597. doi:10.1016/0008-6223(91)90125-3.

^ Romão, Carlos C.; Kühn, Fritz E.; Herrmann, Wolfgang A. (1997). "Rhenium(VII) Oxo and Imido Complexes: Synthesis, Structures, and Applications". Chemical Reviews. 97 (8): 3197–3246. doi:10.1021/cr9703212. PMID 11851489.