Two Unusual Two-dimensional (4,4) Network Cadmium Coordination Polymers Based on Flexible Bis(triazole) and Rigid Benzenedicarboxylate Co-ligands

Authors

  • Pengpeng Sun,

    1. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
    Search for more papers by this author
  • Shan Zhao,

    1. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
    Search for more papers by this author
  • Zhi Yang,

    1. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
    Search for more papers by this author
  • Baolong Li,

    Corresponding author
    1. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
    • Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China, Tel.: 0086-0512-65880324; Fax: 0086-0512-65880089
    Search for more papers by this author
  • Bing Wu

    1. Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
    Search for more papers by this author

Abstract

Two cadmium(II) coordination polymers {[Cd(btp)(NO2-1,3-bdc)(H2O)]·H2O}n (1) and {[Cd(btp)(1,2-bdc)(H2O)]·H2O}n (2) were synthesized by the reaction of 1,3-bis(1,2,4-triazol-1-yl)propane (btp), 5-nitroisophthalate (NO2-1,3-bdc), and 1,2-benzenedicarboxylate (1,2-bdc). 1 consists of undulated 2D (4,4) networks. Two identical undulated layers are parallel stacking to give a (2D→2D) polythreaded 2D network. A 3D supramolecular architectute is constructed through the hydrogen bond interactions. 2 has an unusual 2D (4,4) network with a thickness of ca. 10 Å. The btp ligands exhibit the anti-gauche conformation in 1 and the anti-anti conformation in 2. The flexible btp ligand exhibits the key role in the assembly of the topologies of 1 and 2. The luminescence and thermal stability were investigated.

Ancillary