期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 184, 期 -, 页码 15-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2013.09.035
关键词
Metal-organic framework; Lead; Polycarboxylates; Gas sorption
类别
资金
- National Natural Science Foundation [51072072, 51102119]
- Natural Science Foundation of Jiangsu Province [BK2010343, BK2011518]
Two new lead(II)-organic frameworks Pb-2(mu(4)-O)(bdc)center dot DMF (1) and Pb(ndc)(DMF) (2) (H(2)bdc = 1,4-benzenedicarboxylate, H(2)ndc = 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. (C) 2013 Elsevier Inc. All rights reserved.
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