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Two Coordination Polymers based on a Carboxylate-­functionalized Imidazophenanthroline Derivative Ligand and Phthalic Acid: Syntheses, Structures and Magnetic Properties

Authors

  • Jing Wang,

    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
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  • Qiao-Hong Bao,

    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
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  • Huai-Ming Hu,

    Corresponding author
    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
    • Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China

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  • Bin Liu,

    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
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  • Qing Chen,

    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
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  • Zhen-Hua Yang,

    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
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  • Gang-Lin Xue

    1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi′an 710069, P. R. China
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  • Supporting Information for this article is available on the WWW under http://dx.doi.org/10.1002/zaac.201300345 or from the author.

Abstract

Two coordination polymers, [Co2(Hcpip)2(phth)]n·3n(H2O) (1) and [Mn2(Hcpip)2(phth)]n (2), {H2cpip = 2-(2-carboxyphenyl)imidazo[4,5-f](1,10)- phenanthroline, H2phth = phthalic acid}, were hydrothermally synthesized and characterized by elemental analysis, IR spectroscopy, and single-crystal X-ray diffraction. Complex 1 is a 1D chain, in which the dinuclear [Co2(Hcpip)2]2+ units are linked through (phth)2– anions. Complex 2 is a 2D layer structure, which is constructed from the 1D chains bridged by (phth)2– anions. The magnetic properties of 1 and 2 show that the weak ferromagnetic interactions occurred between CoII ions in 1 and a weak antiferromagnetic interactions exist between MnII ions in 2. These two complexes have good thermal stabilities.

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