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Trinuclear cobalt complex and preparation method thereof

A technology of cobalt complexes and complexes, applied in the direction of cobalt organic compounds, etc., can solve the problems of few research reports on cobalt complexes, and achieve the effects of low cost, simple process and good repeatability

Inactive Publication Date: 2016-03-02
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

co 2+ Ions are easy to coordinate with ligands containing N and O atoms, and its electron layer structure is d 7 , many of the complexes it forms are magnetic, but at present, there are few research reports on the complexes of cobalt

Method used

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  • Trinuclear cobalt complex and preparation method thereof

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Embodiment

[0014] (1) Weigh 0.1 mmol (0.0268 g) of sodium isophthalic acid-5-sulfonate and dissolve it in 5 milliliters of distilled water, and transfer the solution into a sealed reaction kettle with a volume of 25 milliliters.

[0015] (2) Add 0.2 mmol (0.008g) of sodium hydroxide and 0.1 mmol (0.0155g) of 4-phenylpyridine to the solution obtained in step (1).

[0016] (3) Weigh 0.1 mmol (0.0237 g) of cobalt chloride hexahydrate and dissolve it in 5 ml of distilled water.

[0017] (4) Add the solution obtained in step (3) to the solution obtained in step (2), seal the reactor, keep the temperature at 140°C for 3 days, then slowly cool to room temperature, filter, and obtain red rod-shaped crystals, which are trinuclear cobalt complexes.

[0018] The structural diagram of the obtained trinuclear cobalt complex is shown in figure 1 , the crystal structure shows that the complex is a trinuclear zero-dimensional complex, and each basic unit contains three Co(II) ions, two isophthalic aci...

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Abstract

The invention discloses a trinuclear cobalt complex and a preparation method thereof. The structure of the trinuclear cobalt complex is shown in the figure 1 in the specification. The trinuclear cobalt complex is prepared from m-phthalic acid-5-sodium sulfonate, 4-phenylpyridine and cobalt chloride hexahydrate through a hydrothermal method, and m-phthalic acid-5-sodium sulfonate and 4-phenylpyridine serve as ligand. The advantages of being simple in process, low in cost, good in repeatability and the like are achieved, and certain bases are provided for synthesis of a transition metal complex.

Description

technical field [0001] The invention belongs to the technical field of complex preparation, in particular to a trinuclear cobalt complex and a preparation method thereof. Background technique [0002] Carboxylic acid organic ligands are divided into monocarboxylic acids, dicarboxylic acids and polycarboxylic acids according to the number of carboxyl groups. The dicarboxylic acid has more coordination modes than the monocarboxylic acid, and the complex structure formed is richer. Compared with polycarboxylic acids, dicarboxylic acids have fewer coordination points, but the steric hindrance is much smaller, and the coordination angles with metal atoms are also more variable. co 2+ Ions are easy to coordinate with ligands containing N and O atoms, and its electron layer structure is d 7 , many of the complexes formed by it are magnetic, but at present, there are few research reports on the complexes of cobalt. Contents of the invention [0003] The object of the present i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/06
Inventor 张秀清范超逸倪萌李家星
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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