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A kind of cu(ii)-co(ii) mixed metal coordination polymer, its preparation method and application

A technology of coordination polymers and mixed metals, applied in the field of Cu-Co mixed metal complexes, to achieve the effect of easy operation, simple preparation method and controllable conditions

Inactive Publication Date: 2018-01-19
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above mixed metal complexes are generally constructed by a single organic ligand, but mixed metal complexes constructed by mixed organic ligands have rarely been reported.
Designing and synthesizing such metal-mixed coordination polymers based on mixed organic ligands is a great challenge, because there are competing reactions between different ligands and metal ions in this system, resulting in products often containing only one Ligands, not the envisioned mixed-ligand-mixed-metal coordination polymers

Method used

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  • A kind of cu(ii)-co(ii) mixed metal coordination polymer, its preparation method and application
  • A kind of cu(ii)-co(ii) mixed metal coordination polymer, its preparation method and application
  • A kind of cu(ii)-co(ii) mixed metal coordination polymer, its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Trimellitic acid (0.5mmol, 105.1mg), 1,2,4-triazole (0.2mmol, 13.8mg), ammonium formate (0.2mmol, 12.6mg), lithium carbonate (0.1mmol, 7.4mg), Copper nitrate (0.4mmol, 96.6mg) and cobalt nitrate (0.4mmol, 116.4mg) were dissolved in water (6mL), and sealed in a 25mL hydrothermal reaction kettle. Then heat the reaction mixture at 10°C per hour to 160°C, maintain this temperature for 3 days, and then lower it to room temperature to obtain purple columnar crystals, which are the target product Cu(II)-Co(II) mixed metal coordination polymerization The yield is about 51%. The main infrared absorption peaks of the target product are: 3602w, 1705m, 1613s, 1566s, 1442s, 1388vs, 1268w, 1168w, 1098m, 1005w, 884w, 750m, 666m, 539w, 448w.

Embodiment 2

[0046] Trimellitic acid (0.3mmol, 63.0mg), 1,2,4-triazole (0.06mmol, 4.1mg), ammonium formate (0.06mmol, 3.8mg), lithium carbonate (0.06mmol, 4.4mg), Copper nitrate (0.24mmol, 58.0mg) and cobalt nitrate (0.24mmol, 70.0mg) were dissolved in water (6mL), and sealed in a 25mL hydrothermal reaction kettle. Then the reaction mixture was heated at 10°C per hour to 140°C, maintained at this temperature for 3 days, and then lowered to room temperature to obtain purple columnar crystals, the target product, with a yield of about 42%. The main infrared absorption peaks of the target product are: 3600w, 1703m, 1610s, 1562s, 1440s, 1385vs, 1262w, 1163w, 1092m, 998w, 880w, 743m, 662m, 531w, 442w.

Embodiment 3

[0048] Trimellitic acid (3mmol, 630.4mg), 1,2,4-triazole (0.6mmol, 41.4mg), ammonium formate (0.6mmol, 37.8mg), lithium carbonate (0.6mmol, 44.3mg), nitric acid Copper (2.4mmol, 580.0mg) and cobalt nitrate (2.4mmol, 698.5mg) were dissolved in water (6mL), and sealed in a 25mL hydrothermal reaction kettle. Then the reaction mixture was heated at 10°C per hour to 180°C, maintained at this temperature for 3 days, and then lowered to room temperature to obtain purple columnar crystals, the target product, with a yield of about 27%. The main infrared absorption peaks of the target product are: 3610w, 1709m, 1617s, 1555s, 1447s, 1380vs, 1267w, 1160w, 1089m, 992w, 887w, 740m, 661m, 536w, 440w.

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Abstract

The invention discloses a Cu(II)-Co(II) mixed metal coordination polymer and a preparation method and application thereof. The chemical formula of the Cu(II)-Co(II) mixed metal coordination polymer is [Cu0.9Co1.6(btc)2(triazole)(H2O)2](H2O), the coordination polymer is crystallized in a triclinic system, the space group is P-1, and the cell parameter is shown in the description. The Cu(II)-Co(II) mixed metal coordination polymer has a high magnetic interaction, and has potential application value on the aspect of magnetic materials. Meanwhile, the preparation method of the Cu(II)-Co(II) mixed metal coordination polymer is simple, and the conditions are easy to control.

Description

technical field [0001] The invention relates to a metal-organic coordination polymer, in particular to a Cu(II)-Co(II) mixed metal complex based on mixed ligands, its preparation method and application. Background technique [0002] Coordination Polymer (Coordination Polymer) combines the characteristics of composite polymers and coordination compounds, and intersects with organic chemistry, supramolecular chemistry and biochemistry. It is called the polymer in inorganic chemistry and is the current It is an important research direction of coordination chemistry, and has attracted the attention of researchers in various disciplines (Gygi, D.; Bloch, E.D.; Mason, J.A.; Hudson, M.R.; Gonzalez, M.I.; Siegelman, R.L.; Darwish, T.A.; Queen, W.L.; Brown, C, M.; Long, J.R. Chem. Mater. 2016, 28, 1128; Deria, P.; Gomez-Gualdron, D.A.; Bury, W.; Sarjeant, A.A.; Snurr, R.Q.; Hupp, J.T.; Farha, O.K.J.Am.Chem.Soc.2015, 137, 13183; Yamada, T.; Sadakiyo, M.; Soc. Jpn. 2016, 89, 1, etc.)...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F19/00H01F1/42
CPCC07B2200/13C07F15/065H01F1/42
Inventor 刘春森方少明陈敏杜淼徐文明
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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