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    題名: Structure and Magnetic Properties of Mononuclear Copper(II) Complexes with 2,2-Bipyrimidine, 2,3-Bis(2-pyridyl)pyrazine, and 4-Terpyridone Based Ligands
    作者: 魏和祥;Wei, Ho-hsiang;廖俊源;Liao;Chun-Yuan;陳志旺;Chen;Chi-Wang;林信宏;Lin;Hsin-Huang;鄭勝權;Cheng;Sung-Chung;李綺謙;Lee;Chin-Jhan
    貢獻者: 淡江大學化學學系
    關鍵詞: Crystal structure;Mononuclear complexes;Copper(Ⅱ) complexes;Magnetic properties
    日期: 2005-08-01
    上傳時間: 2013-07-29 13:39:34 (UTC+8)
    出版者: 臺北市:中國化學學會
    摘要: Four new complexes of [Cu(bpm)(ox)(H2O)] (1), [Cu(tpd)(dca)(H2O)] (2), [Cu(bppz)(N3)2] (3), and [Cu(bpm)2(m1,3-N3)(N3)] (4) (bpm = 2,2¢-bipyrimidine, bppz = 2,3-bis(2-pyridyl)pyrazine, tpd = 4-terpyridone, dca = dicyanamide, ox = oxalate) have been prepared and characterized by X-ray single-crystal analysis and variable-temperature magnetic measurements. Compounds 1-4 are essentially mononuclear Cu(II) complexes. However, in complex 1, Cu(II) it was found that intermolecular hydrogen bonding through between H2O and ox formed 1-D chain structure. In complex 2 it was found that the hydrogen bonding between H2O and tpd of the next molecule led to for a binuclear Cu(II) complex. In complex 3, two nitrogen atoms, one of the pyridyl group of bppz and one of N3- ligands, are weakly coordinated to neighbor Cu(II) ion thus leading to formation of a 1-D chain structure. In complex 4, one nitrogen atom of terminated N3- is weakly coordinated to the neighbor Cu(II) site to form a 1-D polymeric structure. The magnetic susceptibility measurements indicate that complex 1and 4 exhibit a weak antiferromagnetic interaction whereas a ferromagnetic coupling has been established for complexes 2 and 3.
    關聯: Journal of the Chinese Chemical Society=中國化學會會誌 52(4), pp.707-716
    DOI: 10.1002/jccs.200500099
    顯示於類別:[化學學系暨研究所] 期刊論文

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