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A kind of cu-nd heterometallic 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: 2021-01-05
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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  • A kind of cu-nd heterometallic coordination polymer and preparation method thereof
  • A kind of cu-nd heterometallic coordination polymer and preparation method thereof
  • A kind of cu-nd heterometallic coordination polymer and preparation method thereof

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Embodiment

[0023] The chemical formula for constructing Cu-Nd heterometallic coordination polymers 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 To represent 3,5-pyrazole dicarboxylic acid to remove two carboxyl hydrogen atoms, with two units of negative charge; L 2 On behalf of 2-pyrazinecarboxylic acid removes a carboxyl hydrogen atom, with 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 synthetic method are:

[0025] (1) 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 obtain a mixed metal solution.

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

[0027](3) Add the mixed met...

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Abstract

The invention discloses a Cu-Nd heterometallic coordination polymer and a preparation method thereof. The chemical formula of Cu‑Nd heterometallic coordination polymer is {[Nd(L 1 ) 2 Cu(L 2 )(H 2 O) 2 ]·3H 2 O} n , the molecular formula is: C 15 h 15 CuN 6 NdO 15 , Molecular weight: 727.10. (1) Dissolve neodymium perchlorate hexahydrate and copper acetate in distilled water; (2) Dissolve 3,5‑pyrazoledicarboxylic acid and 2‑pyrazinecarboxylic acid in DMF; (3) Dissolve step (1 ), (2) mixed the prepared solutions, adjusted the pH with ethylenediamine, filtered, and dried to obtain Cu‑Nd heterometallic coordination polymer, L 1 To represent 3,5-pyrazole dicarboxylic acid to remove two carboxyl hydrogen atoms, with two units of negative charge; L 2 It represents the removal of a carboxyl hydrogen atom from 2‑pyrazinecarboxylic acid. The invention has simple process and good repeatability.

Description

technical field [0001] The invention relates to the field of preparation of 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 in an endless stream, becoming one of the research hotspots in the field of materials. There are many kinds of coordination polymer materials, special topological structure, large specific surface area, and adjustable pore size. By selecting and designing different metal centers and organic ligands, novel structures can be constructed, which will open up the application of coordination polymer materials. make some contributions in the field. At present, there are no relevant reports on heterometallic coordination polymers constructed with 3,5-pyrazoledicarboxylic acid and 2-pyra...

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Application Information

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Patent Type & Authority Patents(China)
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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