Method for synthesizing metal organic coordination polymer
A coordination polymer and metal-organic technology is applied in the field of preparation of metal-organic coordination polymers to achieve the effects of easy preparation, high yield and low price
Inactive Publication Date: 2009-07-22
BEIJING UNIV OF CHEM TECH
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Problems solved by technology
[0004] Before the work of this patent application, there were no patent documents or scientific papers on 2,2'-bipyridine-3,3'-dicarboxylic acid, 1,10-phenanthroline, and lanthanum trioxide.
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Embodiment 1
[0020] Weigh 0.6mmol2,2'-bipyridine-3,3'-dicarboxylic acid (H 2 bpdc), 0.2mmol lanthanum trioxide (La 2 o 3 ), 0.3mmol 1,10-phenanthroline (Phen·2H 2 O), molar ratio 6:2:3, add the volume that 12ml water is housed and be in the stainless steel pressure reaction tank of the liner polytetrafluoroethylene of 23ml. Stir for about half an hour, keep the approximate range at pH = 4-5, react at a constant temperature at 160°C for 72h, and slowly cool down to room temperature for 24-48h at a cooling rate of 5°C / h. Uniform and regular colorless transparent flaky crystals can be obtained, and the crystal appearance angle is close to .
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The invention provides a synthetic method of metal organic coordination polymer [La2 (bpdc) 3 (phen)2] (bpdc equals to 2, 2'-dipyridyl-3, 3'-dicarboxylic acid ridical; phen equals to 1, 10-phenanthrene). The coordination polymer is synthesized by the solvent thermal synthesis of a nitrogenous organic ligand 2, 2'-dipyridyl-3, 3'-dicarboxylic acid, 1, 10 phenanthrene and lanthanum trioxide.
Description
Technical field: [0001] The synthesis belongs to the synthesis field of metal-organic coordination polymer crystals, and specifically relates to the preparation of a metal-organic coordination polymer. Background technique: [0002] In recent years, novel coordination polymers assembled from nitrogen-containing organic ligands and metal ions have gradually attracted widespread attention. Mainly due to the structural diversity and unique physical and chemical properties of such polymers, as well as the possible performance in catalysis, porous adsorption, magnetism, nonlinear optical properties, electrical properties and ion or molecular exchange properties (Zhou Qiuxiang, Wang Yanji, Zhao Qiang et al. A novel porous coordination polymer [La(C 8 h 6 NO 2 ) 3 ] n Synthesis and crystal structure characterization of . Inorganic Chemistry, 2003, 19(11): 1245; Wang Y J, Zhou Q X, Yue L, et al.Synthesis and structural characterization of novel coordination polymer[Cd 2 (SCN) ...
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Inventor 李霞张丽丹韩春英杨凤云
Owner BEIJING UNIV OF CHEM TECH