Synthesis, crystal structure and properties of rare earth metal-organic framework materials based on the 2,5-pyridinedicarboxylic acid ligands

Liu ZhengCollege of Chemistry and Bioengineering, (Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment), Guilin University of Technology, Guilin, 541004, People’s Republic of China; Correspondence[email protected] [email protected]

Jiaxing HanCollege of Chemistry and Bioengineering, (Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment), Guilin University of Technology, Guilin, 541004, People’s Republic of China;

Haiying LiCollege of Chemistry and Bioengineering, (Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment), Guilin University of Technology, Guilin, 541004, People’s Republic of China;

Guo-Cheng HanSchool of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, People’s Republic of China; Correspondence[email protected] [email protected]

Zhengnan GuoCollege of Chemistry and Bioengineering, (Guangxi Key Laboratory of Environmental Engineering, Protection and Assessment), Guilin University of Technology, Guilin, 541004, People’s Republic of China;

Shufen ZhangKey Laboratory of fine chemical engineering of Dalian University of Technology, Dalian, 116024, People’s Republic of China

Zhencheng ChenSchool of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, People’s Republic of China;

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Abstract

Two Metal-Organic Frameworks (MOFs) materials, namely, [Eu(bipy) (CH₃COO) •H₂O]n (1) and [Gd(bipy)(CH₃COO)]n (2), had been synthesized and characterized by X-ray single crystal diffraction (XRD), infrared spectrum (IR), fluorescence spectra (IR) and thermogravimetric analysis. Results shown that the two MOFs belong to monoclinic system, space group P21/n. Eu/Gd-nuclear metal clusters in complex 1 and 2 were linked by 2,5-pyridinedicarboxylic acid (H₂Pdc) ligand form 3D framework structure, and produce 1D channel with the pore size of 0.404 × 1.253 nm² along the b-axis.

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Acknowledgments

This work was supported by the National Nature Science Foundation of China (No. 21266006, 61661014, 61301038), the Nature Science Foundation of Guangxi Province (No. 2016 GXNSFAA3 80109, 2015GXNSFBA139041) and Guangxi Key Laboratory of Electro chemical and Magneto-chemical Functional Materials, Collaborative Innovation Center for Exploration of Hidden Nonferrous Metal Deposits and Development of New Materials in Guangxi.

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Synthesis, crystal structure and properties of rare earth metal-organic framework materials based on the 2,5-pyridinedicarboxylic acid ligands

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Synthesis, crystal structure and properties of rare earth metal-organic framework materials based on the 2,5-pyridinedicarboxylic acid ligands

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