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Six-nuclear water cluster-containing copper coordination polymer with mixed ligand and preparation method thereof

A technology of mixed ligands and polymers, applied in the field of copper coordination polymers containing hexanuclear water clusters and its preparation, to achieve the effects of high product crystallinity, good application prospects, and simple synthesis methods

Inactive Publication Date: 2017-06-20
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the use of mixed ligands to construct copper coordination polymers containing hexanuclear water clusters

Method used

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  • Six-nuclear water cluster-containing copper coordination polymer with mixed ligand and preparation method thereof
  • Six-nuclear water cluster-containing copper coordination polymer with mixed ligand and preparation method thereof
  • Six-nuclear water cluster-containing copper coordination polymer with mixed ligand and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Add 1.5mmol of 1,3-bis(imidazolyl methylene)benzene, 1.0mmol of tetrafluoroterephthalic acid and 3.0mmol of copper nitrate to the mixed solution of 3ml of ethanol, 3ml of water and 0.5ml of ammonia water, and stir well , transferred to an airtight container and slowly heated up to 120°C for reaction under solvothermal conditions, and cooled to room temperature after 24 hours of reaction to obtain the copper coordination polymer C 36 h 44 CuF 4 N 8 o 12 , yield 80.1% (based on Cu).

[0024] Get the copper coordination polymer containing hexanuclear water clusters with mixed ligands prepared in Example 1 to carry out powder XRD test, its collection of patterns is as follows figure 1 As shown, the 2θ expressed in degrees has diffraction peaks at 7.79, 10.73, 11.44, 11.95, 13.56, 14.28, 15.70, 16.81, 18.23, 20.77, 21.68, 24.83, 28.37, 36.09.

[0025] The copper coordination polymer containing hexanuclear water clusters with mixed ligands prepared in Example 1 is used f...

Embodiment 2

[0038] Add 2.0mmol of 1,3-bis(imidazolyl methylene)benzene, 0.5mmol of tetrafluoroterephthalic acid and 2.8mmol of copper perchlorate to a mixed solution of 3.0ml of ethanol, 2.5ml of water and 0.6ml of ammonia , stirred evenly, transferred to an airtight container and slowly heated up to 100°C for reaction under solvothermal conditions, and cooled to room temperature after 48 hours of reaction to obtain the copper coordination polymer C 36 h 44 CuF 4 N 8 o 12 , yield 69.4% (based on Cu).

Embodiment 3

[0040] 1.0mmol of 1,3-bis(imidazolyl methylene)benzene, 1.5mmol of tetrafluoroterephthalic acid and 3.5mmol of copper nitrate were added to a mixed solution of 2.5ml of ethanol, 3.5ml of water and 0.4ml of ammonia water, Stir evenly, transfer to an airtight container and slowly heat up to 140°C for reaction under solvothermal conditions. After 12 hours of reaction, cool to room temperature to obtain the copper coordination polymer C 36 h 44 CuF 4 N 8 o 12 , yield 74.7% (based on Cu).

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Abstract

The invention relates to the technical field of inorganic and organic hybrid materials and in particular relates to a preparation method of a six-nuclear water cluster-containing copper coordination polymer with a mixed ligand. The six-nuclear water cluster-containing copper coordination polymer with the mixed ligand has a molecular formula of C36H44CuF4N8O12; the polymer is of a triclinic crystal system and has a PI space group; cell parameters are as follows: a=8.6873(8) angstroms, b=11.0490(8) angstroms, c=11.3581(7) angstroms, alpha=91.465(5) degrees, beta=94.945(6) degrees, gamma=108.080(7) degrees and v=1030.85(14) angstroms; the six-nuclear water cluster-containing copper coordination polymer with the mixed ligand can accurately determine positions of water molecules in crystal lattices through a single crystal X-ray diffractometer, so that various parameters of interaction of hydrogen bonds between the water molecules are accurately described, and various physicochemical behaviors of the water molecules in the coordination polymer can be more deeply known. A synthesis method of the six-nuclear water cluster-containing copper coordination polymer with the mixed ligand, provided by the invention has the advantages of simplicity, no pollution, good repeatability and high yield.

Description

technical field [0001] The invention relates to the technical field of inorganic-organic hybrid materials, in particular to a hexanuclear water cluster-containing copper coordination polymer with mixed ligands and a preparation method thereof. Background technique [0002] In recent years, due to the diversity and controllability of the structure of coordination polymers, their applications have been extended to the fields of adsorption, catalysis, optics, electricity, magnetism, etc., and the research on the structure and properties of coordination polymers has attracted widespread attention. . In the past ten years, a large number of coordination polymers have been successfully synthesized. Targeted synthesis of coordination polymers with specific topology can be achieved by designing organic ligands and selecting metal ions. However, it is very difficult to precisely control the self-assembly process of coordination polymers, and many small changes in reaction conditions...

Claims

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Application Information

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IPC IPC(8): C08G83/00
CPCC08G83/008
Inventor 刘康马鼎璇王磊胡汉滨
Owner QINGDAO UNIV OF SCI & TECH
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