Synthesis, Crystal Structure and Characterizations of a Novel Open-Framework Lanthanide Imidazoledicarboxylate

Abstract:

The construction, crystal structure and properties and potential application of metal imidazoledicarboxylate frameworks have currently attracted considerable attention. A novel open-framework Lanthanide imidazoledicarboxylate, [Tb (HpyimdC)(C₂O₄)_0.5(H₂O)]·(H₂O)₃ (compound 1), was constructed from 2-(pyridine-3-yl)-1H-4,5-imidazoledicarboxylate (H₃PyImdc) and Oxalate coordinated with lanthanide under solvothermal conditions. Single-crystal X-ray diffraction analysis reveals that compound 1 crystallized in the monoclinic space group C2/c (No. 15). Oxalate chelated with Tb to form a one-dimensional zigzag chain, H₃pyimdc with selective nitrogen−oxygen chelating site, constructed these chains into metal organic frameworks featuring extra-large channels deposited by guest molecules. Further characterizations for compound 1 have been performed, including X-ray powder diffraction, IR Spectrum and elemental analysis. Synthesis, crystal structure and structural characterizations for 1 were reported in this paper.

• Periodical: Advanced Materials Research (Volume 1088)
• Pages: 305-308
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1088.305
• Online since: February 2015
• Authors: Hui Duan Li*
• Keywords: Extra-Large Channels, Imidazoledicarboxylate, Oxalate, Solvothermal Synthesis

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