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Effect of coordination structure on the redox reactions of mononuclear copper(II) complexes

✍ Scribed by Yuzo Nishida; Masataka Takeuchi; Naoyasu Oishi; Sigeo Kida

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 460 KB
Volume: 96
Category: Article
ISSN: 0020-1693
DOI: 10.1016/s0020-1693(00)93741-1

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✦ Synopsis

Catalytic

activities of mononuclear copper(H) complexes were studied for the reactions, 1) O1 oxidation of N,N,N',N'-tetramethyl-1,4-diaminobenzene, and 2) decomposition of hydrogen peroxide. For both reactions, distorted tetrahedral complexes showed much higher reactivities than the complexes of other coordination geometries such as plane, square pyramid and trigonal bipyramid. This could not be explained in terms of the reduction potentials of the complexes only, but the governing factor for this fact was attributed to the ease of the fifth coordination of tetrahedral complexes caused by the spatial distribution of the electron hole of copper(H) ion. introduction In previous papers Nishida et al. reported the reactivities of square planar coordinated copper(I1)

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