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Cadmium 3,4-bis(4'-carboxyphenyl) benzoate coordination compound and preparation method thereof
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A technology of carboxyphenyl and cadmium complexes, which is applied in the fields of cadmium organic compounds, chemical instruments and methods, and luminescent materials, and can solve the problems of unreported research on metal complexes, achieving high yield and good reproducibility , the effect of convenient operation
Inactive Publication Date: 2012-07-25
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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[0003] 3,4-bis(4'-carboxyphenyl)benzoic acid is a bulky aromatic ring skeleton polycarboxylic acid ligand containing multiple aromatic rings, its d 10 The study of metal complexes has not been reported so far
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Embodiment 1
[0024] Dissolve 3,4-bis(4'-carboxyphenyl)benzoic acid (0.05 mmol, 18.0 mg) and cadmium acetate (0.15 mmol, 39.97 mg) in water (8 mL) and stir for 5 minutes, then seal in 25 ml of hydrothermal in the reactor. Then the reaction mixture was heated at 10 °C per hour to 160 °C, maintained at this temperature for 3 days, and then lowered to room temperature to obtain colorless blocky crystals, which were separated, washed and dried in turn to obtain The target product, the yield is about 45%. The main infrared absorption peaks are: 3393m, 1590s, 1534w, 1383vs, 1179w, 1134w, 1102w, 1038w, 1016w, 919w, 861w, 786m, 719m, 678w, 659w, 465w, 425w.
Embodiment 2
[0026] Dissolve 3,4-bis(4'-carboxyphenyl)benzoic acid (0.1 mmol, 36.0 mg) and cadmium acetate (0.15 mmol, 39.97 mg) in water (10 mL) and stir for 5 minutes, seal in 25 ml of hydrothermal in the reactor. Then the reaction mixture was heated at 10 °C per hour to 160 °C, maintained at this temperature for 3 days, and then lowered to room temperature to obtain colorless blocky crystals, which were separated, washed and dried in turn to obtain The target product, the yield is about 55%. The main infrared absorption peaks are: 3393m, 1590s, 1534w, 1383vs, 1179w, 1134w, 1102w, 1038w, 1016w, 919w, 861w, 786m, 719m, 678w, 659w, 465w, 425w.
Embodiment 3
[0028] Dissolve 3,4-bis(4'-carboxyphenyl)benzoic acid (0.05 mmol, 18.0 mg) and cadmium acetate (0.15 mmol, 39.97 mg) in water (8 mL) and stir for 5 minutes, then seal in 25 ml of hydrothermal in the reactor. 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 a colorless block crystal, which was separated, washed and dried successively to obtain The target product, the yield is about 65%. The main infrared absorption peaks are: 3393m, 1590s, 1534w, 1383vs, 1179w, 1134w, 1102w, 1038w, 1016w, 919w, 861w, 786m, 719m, 678w, 659w, 465w, 425w.
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Abstract
The invention relates to a cadmium 3,4-bis(4'-carboxyphenyl) benzoate coordination compound and a preparation method thereof. The coordination compound has the chemical formula: [Cd4L2(OH)2(H2O)3] infinity, wherein L=3,4-bis(4'-carboxyphenyl) benzoic acid anionic ligand. A synthesis method of the coordination compound comprises the following steps of: dissolving the 3,4-bis(4'-carboxyphenyl) benzoic acid anionic ligand and metalcadmium salt into water under a hydrothermal condition to prepare a solution, and sealing the solution into a reaction kettle with the capacity of 25mL; heating to a certain temperature at the speed of 10 DEG C / h, and maintaining the temperature for 3d; and then naturally cooling to the room temperature to obtain the coordination compound provided by the invention. The coordination compound has the advantages of good stability, simplicity in synthesis, convenience in operation, high yield, good reproducibility and the like. The obtained crystal material is expected to be further researched and applied in the field of fluorescent materials.
Description
technical field [0001] The present invention relates to d 10 In the field of metal complex fluorescent materials, it is a 3,4-bis(4'-carboxyphenyl) cadmium benzoate complex and its preparation method. The crystal of the complex is a three-dimensional network structure, and the three-dimensional network of the complex is The structure can be simplified to a (4,10)-connection (3.4 5 )(3 4 .4 9 .5 12 .6 17 .7 2 .8) The topological network structure can be further developed and applied as a fluorescent material. Background technique [0002] The research on coordination polymer related fields combines traditional inorganic chemistry, organic chemistry and physical chemistry, and intersects with supramolecular chemistry, materials chemistry, biochemistry and environmental chemistry, thus forming many new frontier subjects. Coordination polymers not only have interesting and diverse molecular structures and topological structures, but more importantly, they show attractive ...
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