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Multi-metal complex containing terbium and tungsten and preparation method thereof

A complex and heterometal technology, applied in organic chemistry and other directions, can solve the problem of less research on transition-rare earth mixed metal complexes

Inactive Publication Date: 2016-02-03
TIANJIN POLYTECHNIC UNIV
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  • Description
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Problems solved by technology

[0004] At present, there are relatively few studies on transition-rare earth mixed metal complexes, so there is a large research space

Method used

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  • Multi-metal complex containing terbium and tungsten and preparation method thereof

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Experimental program
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Embodiment 1

[0010] The synthesis of embodiment 1 complex:

[0011] 0.1mmol of TbCl 3 ·6H 2 O (0.0374g) and 0.1mmol of tpma (0.029g) were each dissolved in 5ml of anhydrous methanol, mixed the above two solutions, stirred at room temperature for 2 hours and then filtered, and the beaker containing the filtrate was placed in a beaker filled with isopropyl ether In the container, Tb(tpma)Cl was obtained by gas-liquid interface diffusion method 3 Complexes. Then add 0.1mmol of Tb(tpma)Cl 3 (0.0555g) and 0.1mmolK 3 [W(CN) 8 ] (0.05lg) was configured into an aqueous solution, stirred at room temperature for 2 hours and then filtered. The filtrate was allowed to stand in the air and volatilized slowly, and the target product could be obtained after about two weeks. The calculated yield was 32% based on the metal Tb element content.

Embodiment 2

[0012] The infrared spectrometry of embodiment 2 complexes:

[0013] The infrared spectrum of the complex was determined by the KBr tablet method, with a Nicolet330FT-IR infrared spectrometer at 4000-500cm -1 Recorded within the range, see the specific peak value figure 1 .

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Abstract

The invention relates to a terbium-tungsten multi-metal complex containing tri(2-methyl pyridine)amine ligand and a preparation method thereof. The synthetic scheme includes: preparing the ligand trimethyl pyridylamine and TbCl3.6H2O into an anhydrous methanol solution respectively, conducting mixing under room temperature stirring, performing stirring for 2h, then carrying out fltering, placing a filtrate loaded beaker into an isopropyl ether holding container, and employing gas-liquid interface diffusion process to obtain a Tb(tpma)Cl3 complex, then preparing Tb(tpma)Cl3 and K3[W(CN)8] into aqueous solutions respectively, conducting mixing under room temperature stirring, performing stirring for 2h, standing the filtrate in the air to volatilize slowly, thus obtaining the target product about two weeks later.

Description

technical field [0001] The invention belongs to the field of metal complex science and technology, and specifically relates to a terbium-tungsten mixed metal complex containing tris(2-picoline)amine ligand and a preparation method thereof. technical background [0002] Mixed metal complexes have attracted the attention of researchers for several years because of their flexible coordination modes and complex structures. Especially mixed metal complexes containing rare earth ions have been widely used because of their unique optical properties. [0003] At present, more and more attention has been paid to the research of transition-rare earth mixed metal complexes, such as multinuclear transition-rare earth mixed metal clusters [Mn 3 Ce 2 o 5 (PhCOO) 9 (CH 3 OH)]·2CH 3 CN, there is a strong π-π stacking effect in its unit cell, and there is a ferromagnetic coupling effect between Mn ions in its magnetic cluster [Wang Huisheng et al., Journal of Inorganic Chemistry, 2009, ...

Claims

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Application Information

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IPC IPC(8): C07F19/00
Inventor 夏军龚小林崔振刘明兴
Owner TIANJIN POLYTECHNIC UNIV
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