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3D Metal–Organic Framework Based on Cadmium Complex of Pyrazine-2,3,5,6-tetracarboxylic Acid

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Abstract

The 3D metal–organic framework based on cadmium complex of pyrazine-2,3,5,6-tetracarboxylate (pztc4−), {Cd2(pztc)(H2O)2}n, has been synthesized by the reaction of H4pztc and Cd(NO3)2·4H2O under hydrothermal conditions and characterized by elemental analysis, IR, single-crystal X-ray diffraction and fluorescence measurement. This complex belongs to triclinic system, \( P\overline{1} \) space group with a = 5.0080(10) Å, b = 6.6578(13) Å, c = 8.5790(17) Å, α = 89.28(3)°, β = 75.76(3)°, γ = 78.80(3)°. All the donor N and O atoms in pztc4− coordinate to Cd(II) ions. As decadentate ligand, each pztc4− links eight Cd(II) atoms, which is a novel coordination mode of pztc4−.

Graphical Abstract

The 3D metal–organic framework based on cadmium complex of pyrazine-2,3,5,6-tetracarboxylate (pztc4−), {Cd2(pztc)(H2O)2}n, has been synthesized by the reaction of H4pztc and Cd(NO3)2·4H2O under hydrothermal conditions. All the donor N and O atoms in pztc4− coordinate to Cd(II) ions. As decadentate ligand, each pztc4− links eight Cd(II) atoms, which is a novel coordination mode of pztc4−.

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Acknowledgments

This study was supported financially by the Natural Science Foundation of Tianjin (No.08JCZDJC22400) and Specialized Research Fund for the Doctoral Program of Higher Education (No. 200800561137).

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Authors and Affiliations

  1. Department of Chemistry, Tianjin University, Tianjin, 300072, People’s Republic of China

    Li-Hua Zhao, Ai-Hong Yang, Ying-Ping Quan, Hong-Ling Gao & Jian-Zhong Cui

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  1. Li-Hua Zhao
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  2. Ai-Hong Yang
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  3. Ying-Ping Quan
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  4. Hong-Ling Gao
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  5. Jian-Zhong Cui
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Correspondence to Jian-Zhong Cui.

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Zhao, LH., Yang, AH., Quan, YP. et al. 3D Metal–Organic Framework Based on Cadmium Complex of Pyrazine-2,3,5,6-tetracarboxylic Acid. J Chem Crystallogr 41, 1245–1248 (2011). https://doi.org/10.1007/s10870-011-0123-6

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  • DOI: https://doi.org/10.1007/s10870-011-0123-6

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