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Assembly of a Secondary Building Unit (SBU) into Two-and three-Dimensional Structures in Lanthanide Benzenedicarboxylates

Thirumurugan, A and Natarajan, Srinivasan (2006) Assembly of a Secondary Building Unit (SBU) into Two-and three-Dimensional Structures in Lanthanide Benzenedicarboxylates. In: Crystal Growth & Design, 6 (4). pp. 983-988.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/cg050580h

Abstract

Two series of lanthanide benzenedicarboxylates of the general framework formula [M-2(2,2'-biPY)(2)(C8H4O4)(3)] (M = Y, Gd, and Dy) have been prepared employing hydrothermal methods, and their structures were determined by single-crystal X-ray diffraction. Both the structure types contain only one type of secondary building units (SBU), which are connected differently giving rise to two- and three-dimensional (2- or 3-D) structures. While the 2-D structure is related to an augmented square lattice, the 3-D one closely resembles the CdSO4 structure. This is the first observation. to our knowledge. of a CdSO4 Structure in the coordination polymers containing the rare earth ions. The formation of these structures has been rationalized from the connectivity between the building units, which clearly indicates that the framework structures are related. All the compounds have been characterized by powder X-ray diffraction, elemental analysis, infrared (IR) spectroscopic, thermogravimetric analysis (TGA), and photoluminescence studies.

Item Type: Journal Article
Additional Information: Copyright of this article belong to American Chemical Society.
Keywords: Chemistry,Multidisciplinary;Crystallography; MaterialsSciencee, Multidisciplinary Crystal-Structure; Supramolecular Isomerism;Coordination Polymers; Polymorphism;Dicarboxylates;2d
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 04 Dec 2008 09:50
Last Modified: 19 Sep 2010 04:54
URI: http://eprints.iisc.ernet.in/id/eprint/16839

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