期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 10, 期 4, 页码 432-436出版社
ELSEVIER
DOI: 10.1016/j.inoche.2007.01.001
关键词
chiral ligand; cadmium(II) complex; copper(II) complex; nonlinear optical property
Two novel metal-organic frameworks (MOFs) [Cd(3-MPCA)(2) center dot H2O] center dot 5.5H(2)O (1) and [Cu(3-MPCA)(2) center dot H2O] center dot 4H(2)O (2) [3-MPCA(-) = (1R, 3S)-1,2,2-trimethyl-3-(pyridin-3-ylmethylcarbamoyl)cyclopentanecarboxylate] were hydrothermally synthesized and characterized by X-ray crystallography. Complexes 1 and 2 are homochiral and have similar one-dimensional (ID) chain structure, which are further linked by strong hydrogen bonds to give 3D architectures. There are oxygen hexmers and heptamers from water molecules and carbonyl group in 1 with (OO)-O-... distances and O-O-O angles comparable to the corresponding values in ice. Nonlinear optical measurements on powdered sample of 1 and 2 revealed that they display second-harmonic-generation (SHG) response of 0.8 and 0.3 times of that for urea, respectively. (c) 2007 Elsevier B.V. All rights reserved.
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