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Cu-Nd dissimilar-metal coordination polymer and preparation method thereof

A technology of coordination polymers and heterometals, which is applied in the field of heterometallic coordination polymers and its preparation, can solve the problems that there are no related reports on heterometallic coordination polymers, and achieve easy control of chemical components and good repeatability , The effect of simple process

Active Publication Date: 2018-01-26
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are no relevant reports on heterometallic coordination polymers constructed with 3,5-pyrazoledicarboxylic acid and 2-pyrazinecarboxylic acid

Method used

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  • Cu-Nd dissimilar-metal coordination polymer and preparation method thereof
  • Cu-Nd dissimilar-metal coordination polymer and preparation method thereof
  • Cu-Nd dissimilar-metal coordination polymer and preparation method thereof

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Embodiment

[0023] The chemical formula for constructing Cu-Nd heterometallic coordination polymer with 3,5-pyrazoledicarboxylic acid and 2-pyrazinecarboxylic acid is: {[Nd(L 1 ) 2 Cu(L 2 )(H 2 O) 2 ]·3H 2 O} n , The molecular weight is: 727.10, where L 1 It represents that 3,5-pyrazole dicarboxylic acid removes two carboxyl hydrogen atoms and carries two units of negative charge; L 2 It represents that 2-pyrazine carboxylic acid removes a carboxyl hydrogen atom and carries a unit of negative charge.

[0024] {[Nd(L 1 ) 2 Cu(L 2 )(H 2 O) 2 ]·3H 2 O} n The specific steps of the synthesis method are:

[0025] (1) Add 0.1180g NdCl 3 ·6H 2 O and 0.05g Cu (OAC) 2 ·H 2 O was dissolved in 10 mL of distilled water and stirred evenly to prepare a mixed metal solution.

[0026] (2) Dissolve 0.172g 3,5-pyrazoledicarboxylic acid and 0.120g 2-pyrazinecarboxylic acid in 10mL analytically pure N,N-dimethylformamide (DMF) and stir to obtain a mixed ligand Solution.

[0027] (3) Add the mixed metal solution obtai...

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Abstract

The invention discloses a Cu-Nd dissimilar-metal coordination polymer and a preparation method. The chemical formula of the Cu-Nd dissimilar-metal coordination polymer is {[Nd(L1)2Cu(L2)(H2O)2].3H2O}n, the molecular formula is Cl5H15CuN6NdO15, and the molecular weight is 727.10. The preparation method comprises the following steps: (1) dissolving neodymium perchlorate hexahydrate and copper acetate in distilled water; (2) dissolving 3, 5-pyrazol dicarboxylic acid and 2-pyrazine carboxylic acid in DMF (Dimethyl Formamide); and (3) mixing the solution prepared in the step (1) and the solution prepared in the step (2), using ethidene diamine to regulate pH, filtering and drying to obtain the Cu-Nd dissimilar-metal coordination polymer, wherein L1 represents 3, 5-pyrazol dicarboxylic acid withremoval of two carboxyl hydrogen atoms and with two units of negative charges; and L2 represents 2-pyrazine carboxylic acid with removal of one carboxyl hydrogen atom. The Cu-Nd dissimilar-metal coordination polymer and the preparation method disclosed by the invention have the advantages that the process is good and the repeatability is good.

Description

Technical field [0001] The invention relates to the field of preparing a Cu-Nd heterometallic coordination polymer, in particular to a heterometallic coordination polymer and a preparation method thereof. Background technique [0002] In the past ten years, with the continuous development of structural testing technology and other related disciplines, coordination polymer materials have emerged one after another, becoming one of the research hotspots in the field of materials. There are many kinds of coordination polymer materials, with special topological structure, large specific surface area and adjustable pore diameter. Novel structures can be constructed by selecting and designing different metal centers and organic ligands, which will explore the application of coordination polymer materials. Make a certain contribution to the field. At present, there are no relevant reports on heterometallic coordination polymers constructed with 3,5-pyrazole dicarboxylic acid and 2-pyraz...

Claims

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Application Information

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IPC IPC(8): C08G83/00
Inventor 唐群丁伟刚唐沈邹志明张淑芬梁福沛
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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