Syntheses, structures, thermal stabilities and gas sorption properties of two rod-based microporous lead(II) polycarboxylate coordination frameworks

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Abstract

Two new lead(II)-organic frameworks Pb2(μ4-O)(bdc) ·DMF (1) and Pb(ndc)(DMF) (2) (H2bdc = 1,4- benzenedicarboxylate, H2ndc = 2,6-naphthalenedicarboxylate, DMF = N,N′-dimethylformamide) were prepared through solvothermal methods. Single-crystal X-ray diffraction analysis indicated that compounds 1 and 2 exhibit rod-based three-dimensional (3D) porous frameworks with 1D channels. The carboxylate groups in both compounds adopt different types of coordination modes, and the coordination geometries of lead(II) centers in compound 1 and 2 are hemidirected and holodirected, respectively. Gas sorption results showed that compound 1 has moderate uptakes for nitrogen and hydrogen gases, owing to the existence of micropores in structures. © 2013 Elsevier Inc. All rights reserved.

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Zhang, Y., Wang, J., Yan, X., Liu, X., Zhou, H., & Yuan, A. (2014). Syntheses, structures, thermal stabilities and gas sorption properties of two rod-based microporous lead(II) polycarboxylate coordination frameworks. Microporous and Mesoporous Materials, 184, 15–20. https://doi.org/10.1016/j.micromeso.2013.09.035

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