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Cu(I) or Cu(I)-Cu(II) Mixed-Valence Complexes of 2,4,6-Tri(2-pyridyl)-1,3,5-triazine: Syntheses, Structures, and Theoretical Study of the Hydrolytic Reaction Mechanism
Department of Chemistry, Shantou University, China.
Department of Chemistry, Shantou University, China.
School of Chemistry and Chemical Engineering, Sun Yat-Sen University, China.
Department of Chemistry, Shantou University, China.
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2006 (English)In: Inorganic Chemistry, ISSN 0020-1669, E-ISSN 1520-510X, Vol. 45, no 18, 7119-7125 p.Article in journal (Refereed) Published
Abstract [en]

The reactions of 2,4,6-tri(2-pyridyl)-1,3,5-triazine (tpt) with copper(I) halides under solvothermal or traditional conditions yielded two polymeric Cu(I) complexes [Cu2I2(tpt)]n (1) and [Cu3I3(tpt)]n (2), one mixed-valence Cu(I)−Cu(II) complex [Cu4Cl2I4(tpt)2] (3), and two Cu(II) complexes [CuBr(bpca)] (4) and [CuI(bpca)] (5) (bpca = bis(2-pyridylcarbonyl)amine). Complex 1 is a zigzag chain with tpt in a bis-bipyridine-like coordination mode, whereas complex 2 with tpt chelating three Cu(I) cations is a ladderlike coordination polymer. Complex 3 is mixed-valence, with Cu(I) in a distorted tetrahedral geometry and Cu(II) in a distorted square pyramidal geometry, forming a ladderlike supramolecular chain. Complexes 4 and 5 are the products of in situ hydrolysis of tpt involving the oxidation of Cu(I). The synthesis and characterization of complex 1, 2, and 5 indicated that Cu(I) cannot promote the hydrolysis of tpt. The theoretical study shows that the main effect for hydrolysis of tpt is the electron-withdrawing effect of metal ions.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2006. Vol. 45, no 18, 7119-7125 p.
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Natural Sciences
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URN: urn:nbn:se:liu:diva-90615DOI: 10.1021/ic060564pOAI: oai:DiVA.org:liu-90615DiVA: diva2:613892
Available from: 2013-04-02 Created: 2013-04-02 Last updated: 2017-12-06

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Zhang, Xuanjun

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