Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1032, Issue -, Pages 213-221Publisher
ELSEVIER
DOI: 10.1016/j.molstruc.2012.10.012
Keywords
Gd/3-methylbenzoic acid complexes; Second ligands; Two-dimensional infrared spectra (2D-IR)
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Funding
- Youth Foundation of Hebei United University [z201103]
- Science and Technology Development Fund of Fuzhou University [2010-XQ-09]
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Three rare earth compounds with 3-methylbenzoic acid (HMeBA) have been hydrothermally synthesized directly: Gd-2(MeBA)(6)(o-Phen)(2) 1 (o-Phen = o-phenanthroline), [Gd-2(MeBA)(6)(2,2'-bpy)](n), 2 (2,2'-bpy = 2,2'-bipyridine) and Gd (MeBA)(3)center dot(4,4'-bpy)(0.5) 3 (4,4'-bpy = 4,4'-bipyridine). These crystal structures were determined by single-crystal X-ray diffraction with the following data: 1: monoclinic, Cc; 2: monoclinic, P2(1)/n; 3: Triclinic, P - 1. The compound 1 is a zero-dimensional Bi-nuclear oligomer and ligand -o-phenanthroline participates in the coordination; the compound 2 is a one-dimensional chain and the second ligand -2,2'-bpy participates in coordinating with the Gd ion; in particular, due to the existence of the second ligand -4,4'-bpy which acts as the bridge, the compound 3 is the two-dimensional layer. Additionally, in order to explore the structural characteristic, photo-luminescent and the 2D-IR correlation spectroscopy containing the temperature-induced structural variations and magnetism-induced structural variations are used. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.
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