Seven-Coordinated Diaquasuccinatocadmium(II) Bidimensional Polymer: Crystal Structure and Vibrational and Thermal Behavior

Author： Brusau E.V.   Pedregosa J.C.   Narda G.E.   Echeverria G.   Punte G.  

Publisher： Academic Press

ISSN： 0022-4596

Source： Journal of Solid State Chemistry, Vol.153, Iss.1, 2000-08, pp. : 1-8

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Abstract

Diaquasuccinatocadmium(II) has been studied by single-crystal X-ray diffraction and FTIR and Raman spectroscopies at room temperature. The structure consists of seven-coordinated Cd atoms bridged by succinate ions to form two-dimensional polymers perpendicular to the b axis. Hydrogen bonds embracing one of the coordination water molecule and a carboxylate residue stabilize the three-dimensional structure. The spectroscopic data are consistent with the structural model. Thermal dehydration and decomposition processes have been also investigated using TG–DTA measurements, FTIR spectroscopy, and powder X-ray diffraction analysis. A phase transition of the amorphous anhydrous compound to a stable crystalline phase was observed at 262°C.

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