Coordination balance cationic salt, and magnet formed by metal dithiolene complex and preparation methods thereof

A technology of cationic salts and complexes is applied in the fields of coordination balance cationic salts and magnets formed by metal disulfide complexes and their preparation, and achieves the effects of being beneficial to spin coupling and electron transport.

Inactive Publication Date: 2017-08-08
NANJING XIAOZHUANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved in the present invention is to overcome the defect that the maleic dicyanodithioene nickel complexes in the prior art are dimerized and arranged at unequal intervals and exhibit antiferromagnetic coupling, and then provide A suitable counter cation and thus equidistant arrangement of maleic dicyanodithione nickel complexes leading to new magnetic properties

Method used

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  • Coordination balance cationic salt, and magnet formed by metal dithiolene complex and preparation methods thereof
  • Coordination balance cationic salt, and magnet formed by metal dithiolene complex and preparation methods thereof
  • Coordination balance cationic salt, and magnet formed by metal dithiolene complex and preparation methods thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The present invention provides a magnet formed from a metal disulfide complex represented by formula (II),

[0047]

[0048] Among them, the mnt is

[0049] The preparation route of the compound shown by formula (II) is:

[0050]

[0051] S1: Dissolve 1.55g (0.01mol) of 4-phenylpyridine and 2.97g (0.01mol) of 4-iodobenzyl bromide in 25mL of acetone, heat to reflux in an oil bath for 6 hours, let stand for 0.5h, filter, and wash with acetone , to obtain 4-iodobenzylphenylpyridinium bromate, which is the coordination balance cation salt shown by formula (I);

[0052] S2: Dissolve 30.0 g (0.61 mol) of sodium cyanide in the first batch of N, N-dimethylformamide 100 mL to obtain a solid-liquid mixture, then add the second batch of N, N-dimethylformamide 80 mL, Fully grind the solid-liquid mixture in batches, then add 34.4g (0.45mol) of carbon disulfide, the solution turns brownish black, and react with magnetic stirring at room temperature; hour; then add 100mL of...

Embodiment 2

[0057] The present invention provides a magnet formed from a metal disulfide complex represented by formula (II),

[0058]

[0059] Among them, the mnt is

[0060] The preparation route of the compound shown by formula (II) is:

[0061]

[0062] S1: Dissolve 3.10g (0.02mol) of 4-phenylpyridine and 6.88g (0.02mol) of p-iodobenzyl iodide in 50mL of acetone, heat to reflux in an oil bath for 6 hours, let stand for 0.5h, filter, and wash with acetone , to obtain 4-iodobenzylphenylpyridinium iodate, which is the coordination balance cation salt shown by formula (I);

[0063] S2: Dissolve 30.0 g (0.61 mol) of sodium cyanide in the first batch of N, N-dimethylformamide 100 mL to obtain a solid-liquid mixture, then add the second batch of N, N-dimethylformamide 80 mL, Fully grind the solid-liquid mixture in batches, then add 46.4g (0.61mol) of carbon disulfide, the solution turns brownish black, and react with magnetic stirring at room temperature; Then add 100mL of anhydro...

Embodiment 3

[0068] The present invention provides a magnet formed from a metal disulfide complex represented by formula (II),

[0069]

[0070] Among them, the mnt is

[0071] The preparation route of the compound shown by formula (II) is:

[0072]

[0073] S1: Dissolve 0.78g (0.005mol) of 4-phenylpyridine and 1.26g (0.005mol) of 1-(chloromethyl)-4-iodobenzene in 12.5mL of acetone, heat and reflux in an oil bath for 6 hours, and let stand 0.5h, filter, adopt acetone to wash, obtain 4-iodobenzylphenylpyridinium chlorate, promptly by the coordination balance cation salt shown in formula (I);

[0074] S2: Dissolve 30.0 g (0.61 mol) of sodium cyanide in the first batch of N, N-dimethylformamide 100 mL to obtain a solid-liquid mixture, then add the second batch of N, N-dimethylformamide 80 mL, Fully grind the solid-liquid mixture in batches, then add 40.4g (0.53mol) of carbon disulfide, the solution turns brownish black, and react with magnetic stirring at room temperature; Then add...

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Abstract

The invention belongs to the field of functional materials, and particularly relates to a coordination balance cationic salt, and a magnet formed by a metal dithiolene complex and preparation methods thereof. The coordination balance cationic salt reacts with coordination anions to obtain the metal dithiolene complex; on one hand, the 4-iodobenzyl and 4-phenylpyridin in the coordination balance cation are respectively of a plane structure, the plane structures respectively have a symmetric axis, and are crossed at the connected carbon atom of 4-iodobenzyl and 4-phenylpyridin, and the whole inverted Y-shaped structure is formed; on the other hand, the coordination anion is of a plane structure, and the self-rotation density of the unpaired electrons is distributed on the whole anion skeleton. By adopting the structure, the magnet formed by the coordination balance cations and coordination anions is of an equal-spacing arrangement structure, the cations and anions are stacked into columns by lines, and the electron transmission and self-rotation coupling of the metal dithiolene complex are favorably performed. The magnet formed by the metal dithiolene complex has the advantages that the technology is simple, the control is easy, the reaction speed is quick, and the product purity is high.

Description

technical field [0001] The invention belongs to the field of functional materials, and in particular relates to a coordination balance cation salt, a magnet formed from a metal disulfide complex and a preparation method thereof. Background technique [0002] In recent years, complexes have become the focus of attention due to the diversity of their structures and their potential applications as functional materials in catalysis, electrical conductivity, magnetism, luminescence, and nonlinear optics. Metal disulfide complexes as typical complexes, such as figure 1 As shown, structurally, it has two characteristics: planar molecular configuration and delocalized negative charge distribution. On the one hand, the contained coordination anions have a planar structure, which is easy to pile up into columns, and electrons can conduct in the stacked columns, and the materials constructed from this can exhibit semiconductor properties, metallic properties, and even superconducting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D213/26C07F15/04H01F1/42H01F41/00
CPCC07D213/26C07F15/04H01F1/0009H01F1/42H01F41/00
Inventor 袁国军周宏张辉段海宝刘少贤
Owner NANJING XIAOZHUANG UNIV
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