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The syntheses, crystal structure and magnetic behavior of μ-imidazolato-dicopper(II) complexes with the dinucleating hexaazamacrocycles

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Abstract

The synthesis, crystal structure and magnetic properties of the imidazolate-bridged dinuclear copper(II) complex [LCu2(Im)](ClO4)3(H2O) ·1/2(MeCN), (ImH=imidazole, L=bis-p-xylylBISDIEN) have been studied. Single crystal X-ray diffraction determination reveals the distorted square planar geometries of the imidazolate bridged dicopper(II) center are incorporated within the dinucleating macrocycle. The Cu—Cu separation in the complex is 6.005Å. Magnetic measurements reveal an antiferromagnetic exchange interaction with a coupling constant of J=−26.52cm−1. The enzymatic activity of the title complex is 5.9 percent of that of the protein.

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Authors and Affiliations

  1. State Key Laboratory of Coordination Chemistry, Institute of Coordination Chemistry, Nanjing University, Nanjing, 210093, P. R. China

    Hai-Liang Zhu, Qing-Wei Hang, Jing Zhao, Chun-Ying Duan & Wen-Xia Tang

  2. National Laboratory of Molecular and Biomolecular Electronics, Southeast University, Nanjing, 210096, P. R. China

    De-Gang Fu

Authors
  1. Hai-Liang Zhu
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  2. Qing-Wei Hang
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  3. Jing Zhao
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  4. Chun-Ying Duan
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  5. Wen-Xia Tang
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  6. De-Gang Fu
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Zhu, HL., Hang, QW., Zhao, J. et al. The syntheses, crystal structure and magnetic behavior of μ-imidazolato-dicopper(II) complexes with the dinucleating hexaazamacrocycles. Transition Metal Chemistry 24, 131–134 (1999). https://doi.org/10.1023/A:1006938800544

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