期刊
POLYHEDRON
卷 29, 期 13, 页码 2674-2679出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2010.06.008
关键词
Crystal structures; Lanthanides; Luminescence; Metal-organic frameworks; Magnetic properties
资金
- NSF of China [20801026]
- NSF of Jiangxi Province [2008GQC0036]
- Aviation Science Foundation of China [2008ZF56012]
- Key Laboratory of Nondestructive Testing, Ministry of Education, Nanchang Hangkong University [ZD200929007]
A series of lanthanide(III) complexes with chelidamic acid ligand, [Ln(C7H2NO5)center dot 3H(2)O](n)center dot nH(2)O (Ln = La (1), Y (2), Sm (3), and Nd (4)), [Gd-2(C7H2NO5)(3)center dot 4H(2)O](n)center dot 2nH(2)O (5) and [Ce(C7H2NO5)center dot 1.5H(2)O](n) (6), have been synthesized by hydrothermal method and structurally characterized by single-crystal X-ray diffraction. Complexes 1-4 are isostructural and possess 2D framework. Complex 5 contains two different Gd(III) ions linked through carboxylate group to form a 2D framework. Complex 6 exhibits a (4(4)) topology 2D network. The variable-temperature magnetic properties of 3 and 5 have been investigated. Furthermore, the photoluminescent properties of 1, 2, 3, and 5 at room temperature were also studied. (C) 2010 Elsevier Ltd. All rights reserved.
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