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One-dimensional coordination polymer magnetic material constructed by Co(II)-carboxyl and preparation method thereof

A technology of coordination polymers and magnetic materials, applied in the direction of the magnetism of organic materials/organic magnetic materials, cobalt organic compounds, etc., to achieve the effect of simple preparation process

Inactive Publication Date: 2015-05-20
HENAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is still very challenging to design and construct such compounds

Method used

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  • One-dimensional coordination polymer magnetic material constructed by Co(II)-carboxyl and preparation method thereof
  • One-dimensional coordination polymer magnetic material constructed by Co(II)-carboxyl and preparation method thereof
  • One-dimensional coordination polymer magnetic material constructed by Co(II)-carboxyl and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Take 2-amino-terephthalic acid (1 mmol), 2-chloro-4,6-diamino-triazine (1 mmol), CoCl 2 ·6H 2 O (2 mmol) was added into 10 ml of water, stirred for 20 minutes, then sealed in a 25 ml polytetrafluoroethylene reactor, and kept at 180° C. for three days to obtain purple stripy crystals.

Embodiment 2

[0027] Take 2-amino-terephthalic acid (1.3 mmol), 2-chloro-4,6-diamino-triazine (1 mmol), CoCl 2 ·6H 2 O (2 mmol) was added to 8 ml of water, stirred for 15 minutes, then sealed in a 25 ml polytetrafluoroethylene reactor, and kept at 170° C. for three days to obtain purple stripy crystals.

Embodiment 3

[0029] Take 2-amino-terephthalic acid (1 mmol), 2-chloro-4,6-diamino-triazine (0.8 mmol), CoCl 2 ·6H 2 O (2 mmol) was added into 6 ml of water, stirred for 10 minutes, then sealed in a 25 ml polytetrafluoroethylene reactor, and kept at 190° C. for three days to obtain purple stripy crystals.

[0030] 1) Determination of crystal structure:

[0031] Select high-quality single crystals for structural analysis. At 296±2K on the Bruker Apex-II CCD diffractometer, use graphite monochromatic Mo Kα rays (λ = 0.71073 ?), at 2.67°<θ<28.22° The crystal diffraction point data is collected within the scope, the crystal structure is solved by empirical method, the coordinates of all non-hydrogen atoms of the complex are corrected by the anisotropic temperature factor by the least square method of the full matrix, and the coordinates of all hydrogen atoms are calculated by the theoretical hydrogenation program find out. The crystallographic data of the complex are shown in Table 1 below: ...

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Abstract

The invention belongs to the technical field of molecular magnet synthesis and in particular relates to a one-dimensional coordination polymer magnetic material constructed by Co(II)-carboxyl and a preparation method thereof. The molecular formula of the magnetic material is [Co(C9H5N2O4)2]n. The one-dimensional coordination polymer magnetic material provided by the invention has ferromagnetic property, can be taken as a molecule-based magnet and has good application prospect in the field of magnetic materials; and a preparation technology of the one-dimensional coordination polymer magnetic material provided by the invention is simple.

Description

technical field [0001] The invention belongs to the technical field of molecular magnet synthesis, in particular to a one-dimensional coordination polymer magnetic material constructed by Co(II)-carboxyl groups and a preparation method thereof. Background technique [0002] In recent years, molecular magnets have become one of the most active research fields in the field of magnetic materials due to their low density, good transparency, and milder synthesis methods (Y.Z. Zheng, M.L. Tong, W.X. Zhang, X.M. Chen, Angew. Chem. Int. Ed. 2006, 6310-6314; T. Liu, Y.J. Zhang, Z.M. Wang, S. Gao, Inorg. Chem. 2006, 45, 2782-2784; B. Jan, N. Christian, Dalton Trans. 2010, 39, 11019-11026.). Metal complex molecular magnets are currently the most extensively and deeply studied class of molecular magnets, and their spin carriers are paramagnetic metal ions. With the help of crystal engineering, people can obtain complexes with improved magnetic properties or complexes with other use...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F15/06H01F1/42
Inventor 李亚敏肖昌玉赵晓伟李海燕马鹏涛金邻豫
Owner HENAN UNIVERSITY
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