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A Mixed Molecular Building Block Strategy for the Design of Nested Polyhedron Metal–Organic Frameworks

Authors

  • Dan Tian,

    1. Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)
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  • Qiang Chen,

    1. Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)
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  • Dr. Yue Li,

    1. Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)
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  • Dr. Ying-Hui Zhang,

    1. Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)
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  • Dr. Ze Chang,

    1. Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)
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  • Prof. Dr. Xian-He Bu

    Corresponding author
    1. Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)
    • Department of Chemistry and TKL of Metal and Molecule-Based Material Chemistry; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071 (China)

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  • We thank Prof. Jian-Rong Li (Beijing University of Technology) for helpful discussions. This work was supported by the 973 program (2012CB821700) and the NNSF of China (21031002 and 21290171).

Abstract

A mixed molecular building block (MBB) strategy for the synthesis of double-walled cage-based porous metal–organic frameworks (MOFs) is presented. By means of this method, two isostructural porous MOFs built from unprecedented double-walled metal–organic octahedron were obtained by introducing two size-matching C3-symmetric molecular building blocks with different rigidities. With their unique framework structures, these MOFs provide, to the best of our knowledge, the first examples of double-walled octahedron-based MOFs.

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