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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/77231


    Title: Syntheses, Crystal Structure, and Magnetic Properties of a Self-assembling Dicopper(II) Helicate with Novel Bipyridine Ligand
    Authors: Kao, Hsien-Chang;Wang, Yi-Chun;Wang, Wen-Jwu
    Contributors: 淡江大學化學學系
    Keywords: Supramolecular chemistry;Helicates;Dicopper complex
    Date: 2012-08
    Issue Date: 2012-06-14 09:07:27 (UTC+8)
    Publisher: Oxford: Wiley-Blackwell Publishing Ltd.
    Abstract: A novel double helical dicopper(II) complex was synthesized by reaction of a polydentate ligand L = 2,2′-bipyridyl-6,6′-bis(2-acetylpyrazinohydrazone) with copper(II) perchlorate in CH3CN. The self-assembling process was studied by UV-Vis spectrometric titration experiments which revealed the formation of dinuclear complexes [Cu2L2](ClO4)4. The structure of dicopper double-helicate was confirmed by X-ray diffractometry. Each copper(II) center occupies a distorted octahedral environment. Variable-temperature magnetic measurements reveal weak antiferromagnetic interactions between Cu(II) ion centers with J = −0.63 cm−1.
    Relation: Journal of the Chinese Chemical Society=中國化學會會誌 59(8), pp.934–939
    DOI: 10.1002/jccs.201200015
    Appears in Collections:[化學學系暨研究所] 期刊論文

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