Copper peroxide
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IUPAC name Copper(II) peroxide | |
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Properties | |
Chemical formula | CuO2 |
Molar mass | 95.945 g/mol |
Appearance | Dark olive-green solid |
Related compounds | |
Related compounds | Copper(IV) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references |
Copper peroxide is a hypothetical inorganic compound with the chemical formula CuO2. The 1:2 ratio of copper and oxygen would be consistent with copper in its common +2 oxidation state and a peroxide group. Although samples of this composition have not been isolated, CuO2 has attracted interest from computational perspective. One highly cited analysis concludes that gaseous CuO2 is a superoxide, with copper in a +1 oxidation state: Cu+O−2.[1]
History
Species claimed to be "copper peroxide" have been claimed, e.g., by the reaction of cold solutions of Schweizer's reagent—a source of copper(II)—and hydrogen peroxide..[2] The Schweizer's reagent used must not contain excess ammonia.[2]
It was once claimed to result from the very slow reaction of finely divided cupric oxide with cold hydrogen peroxide.[3]
Several molecular copper peroxide complexes have been reported, but these species always feature supporting organic ligands.[4]
References
- ^ Gutsev, G. L.; Rao, B. K.; Jena, P. (2000). "Systematic Study of Oxo, Peroxo, and Superoxo Isomers of 3d-Metal Dioxides and Their Anions". The Journal of Physical Chemistry A. 104 (51): 11961–11971. Bibcode:2000JPCA..10411961G. doi:10.1021/jp002252s.
- ^ a b The Collected Works of Sir Humphry Davy: Discourses delivered before the Royal society. Elements of agricultural chemistry, pt. I. The Chemical Society (Great Britain). 1894. p. 32.
- ^ Krüss, Gerhard (1884). "Einige Beobachtungen über die höheren Sauerstoffverbindungen des Kupfers" (abstract). Ber. 17 (2): 2593–2597. doi:10.1002/cber.188401702186.
- ^ Elwell, Courtney E.; Gagnon, Nicole L.; Neisen, Benjamin D.; Dhar, Debanjan; Spaeth, Andrew D.; Yee, Gereon M.; Tolman, William B. (2017). "Copper–Oxygen Complexes Revisited: Structures, Spectroscopy, and Reactivity". Chemical Reviews. 117 (3): 2059–2107. doi:10.1021/acs.chemrev.6b00636. PMC 5963733. PMID 28103018.
- v
- t
- e
- Cu5Si
- CuBr
- CuCN
- CuCl
- CuF
- CuH
- CuI
- Cu2C2
- Cu2Cr2O5
- Cu2O
- CuOH
- CuNO3
- Cu3P
- Cu2S
- CuSCN
- C6H5Cu
- Cu4O3
- Cu3H4O8S2
- Cu(BF4)2
- CuBr2
- CuC2
- Cu(CH3COO)2
- Cu(CF3COO)2
- Cu(C3H5O3)2
- CuCO3
- Cu2CO3(OH)2
- Cu(CN)2
- CuCl2 / KCuCl3 / K2CuCl4
- Cu(ClO3)2
- Cu(ClO4)2
- CuF2
- Cu(NO3)2
- Cu3(PO4)2
- Cu3(BO3)2
- Cu(N3)2
- CuC2O4
- CuO
- CuO2
- Cu(OH)2
- CuS
- Cu(SCN)2
- CuSO4
- Cu3(AsO4)2
- Cu(C
11H
23COO)
2 - Cu(C17H35COO)2
- CuTe
- CuTe2
- K3CuF6
- CuO2
- Cs2CuF6