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Low-dimensional solids and molecular crystals

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

, , , , , & show all
Pages 109-118 | Published online: 27 Feb 2019
 

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.

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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