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Materials 2010, 3(2), 1281-1301; doi:10.3390/ma3021281
Article

Synthesis, Structure and Thermal Behavior of Oxalato-Bridged Rb+ and H3O+ Extended Frameworks with Different Dimensionalities

1
,
1
,
1,* , 2
 and
2
1 Laboratoire de Cristallographie-Thermodynamique, Faculté de Chimie, USTHB, BP 32, El-Alia, Bab-ezzouar, Algiers, Algeria 2 CRM2, UMR-CNRS, 7036, Institut Jean Barriol, Nancy Université, BP239, 54506, Vandoeuvre-lès Nancy Cedex, France
* Author to whom correspondence should be addressed.
Received: 5 December 2009 / Revised: 25 January 2010 / Accepted: 10 February 2010 / Published: 23 February 2010
(This article belongs to the Special Issue Inorganic-Organic Hybrid Materials)
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Abstract

Correlative studies of three oxalato-bridged polymers, obtained under hydrothermal conditions for the two isostructural compounds {Rb(HC2O4)(H2C2O4)(H2O)2}1, 1, {H3O(HC2O4)(H2C2O4).2H2O}1, 2, and by conventional synthetic method for {Rb(HC2O4)}3, 3, allowed the identification of H-bond patterns and structural dimensionality. Ferroïc domain structures are confirmed by electric measurements performed on 3. Although 2 resembles one oxalic acid sesquihydrate, its structure determination doesn’t display any kind of disorder and leads to recognition of a supramolecular network identical to hybrid s-block series, where moreover, unusual H3O+ and NH4+ similarity is brought out. Thermal behaviors show that 1D frameworks with extended H-bonds, whether with or without a metal center, have the same stability. Inversely, despite the dimensionalities, the same metallic intermediate and final compounds are obtained for the two Rb+ ferroïc materials.
Keywords: extended framework; thermal behavior; hydrogen-bonded motifs; hybrid materials; cocrystals; coordination polymers; supramolecular synthesis; ferroïc properties; homosynthon extended framework; thermal behavior; hydrogen-bonded motifs; hybrid materials; cocrystals; coordination polymers; supramolecular synthesis; ferroïc properties; homosynthon
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kherfi, H.; Hamadène, M.; Guehria-Laïdoudi, A.; Dahaoui, S.; Lecomte, C. Synthesis, Structure and Thermal Behavior of Oxalato-Bridged Rb+ and H3O+ Extended Frameworks with Different Dimensionalities. Materials 2010, 3, 1281-1301.

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