A New Three-dimensional Cd Metal-organic Framework Based on a C-centered Tripodal Flexible Carboxylate and 1,2-Bis(4-pyridyl)ethane Mixed Ligands  

作　　者：崔节虎 杜秀红 

机构地区：[1]College of Civil Engineering and Architecture,Zhengzhou Institute of Aeronautical Industry Management [2]State Key Laboratory of Coordination Chemistry, Nanjing University [3]Clinical Laboratory Medicine, Henan Medical College

出　　处：《Chinese Journal of Structural Chemistry》2015年第12期1915-1921,共7页结构化学（英文）

基　　金：Financially supported by the State Key Laboratory of Coordination Chemistry of Nanjing University

摘　　要：A new MOF {[Cd3（TCOPM）2bpe]·7（H2O）·2DMF}n based on a C-centered tripodal flexible carboxylate ligand and 1,2-bis（4-pyridyl）ethane ligand （HaTCOPM = tris（p-carboxy- phenyl）methane, bpe = 1,2-bis（4-pyridyl） ethane） has been synthesized by the hydrothermal reaction in mixed DMF/H2O solution under 95 ℃. The structure has been determined by single-crystal X-ray diffraction analysis and elemental analysis, IR spectroscopy, and thermogravimetric analysis. Crystal data for the title complex are as follows： triclinic system, space group P/with a = 9.2637（14）, b = 13.273（2）, c = 14.160（2） A, a = 9.2637（14）, β = 13.273（2）, γ, = 105.585（2）°, V= 1487.6（4） A3, Mr= 1268.11, Z = 1, F（000） = 628, Dc = 1.416 g/cm3,μ（MoKa） = 1.110 mm^-1, R = 0.0482 and wR = 0.1444 for 5207 observed reflections with I 〉 2σ（I）. MOF 1 consists of an infinite 3D network using TCOPM^3- and bpe as mixed bridge ligands. Fluorescence spectrum measurement indicates that MOF 1 shows strong fluorescence emission at 437 nm （λmax） in the solid state at room temperature and realizes tunable emission spectrum through tuning from single to mixed ligand.A new MOF {[Cd3（TCOPM）2bpe]·7（H2O）·2DMF}n based on a C-centered tripodal flexible carboxylate ligand and 1,2-bis（4-pyridyl）ethane ligand （HaTCOPM = tris（p-carboxy- phenyl）methane, bpe = 1,2-bis（4-pyridyl） ethane） has been synthesized by the hydrothermal reaction in mixed DMF/H2O solution under 95 ℃. The structure has been determined by single-crystal X-ray diffraction analysis and elemental analysis, IR spectroscopy, and thermogravimetric analysis. Crystal data for the title complex are as follows： triclinic system, space group P/with a = 9.2637（14）, b = 13.273（2）, c = 14.160（2） A, a = 9.2637（14）, β = 13.273（2）, γ, = 105.585（2）°, V= 1487.6（4） A3, Mr= 1268.11, Z = 1, F（000） = 628, Dc = 1.416 g/cm3,μ（MoKa） = 1.110 mm^-1, R = 0.0482 and wR = 0.1444 for 5207 observed reflections with I 〉 2σ（I）. MOF 1 consists of an infinite 3D network using TCOPM^3- and bpe as mixed bridge ligands. Fluorescence spectrum measurement indicates that MOF 1 shows strong fluorescence emission at 437 nm （λmax） in the solid state at room temperature and realizes tunable emission spectrum through tuning from single to mixed ligand.

关 键 词：TCOPM bpe FLUORESCENCE MOF 

分 类 号：O641.4[理学—物理化学]