Issue 10, 2003
From the journal:

Journal of Materials Chemistry

Intercalation of dicarboxylate anions into a Zn–Al–Cl layered double hydroxide: microcalorimetric determination of the enthalpies of anion exchange

Nicole Morel-Desrosiers,*a   Julien Pisson,a   Yaël Israëli,a   Christine Taviot-Guého,b   Jean-Pierre Besseb  and  Jean-Pierre Morela  

* Corresponding authors

a Laboratoire de Thermodynamique des Solutions et des Polymères, UMR CNRS 6003, Université Blaise Pascal (Clermont-Ferrand II), 24 avenue des Landais, Aubière Cedex, France
E-mail: nicole.morel@univ-bpclermont.fr
Fax: 33 4 73 40 53 28
Tel: 33 4 73 40 76 41

b Laboratoire des Matériaux Inorganiques, UMR CNRS 6002, Université Blaise Pascal (Clermont-Ferrand II), 24 avenue des Landais, Aubière Cedex, France

Abstract

The enthalpies of anion exchange in a chloride-intercalated zinc aluminium layered double hydroxide (LDH) in suspension in water have been studied at 25 °C. The heat effects associated with the exchange of the chloride anions for dicarboxylate anions (oxalate, succinate, adipate and tartrate) have been determined by titration microcalorimetry for different amounts of LDH. Except for tartrate, the exchange processes are endothermic, in contrast to the exchange processes involving only inorganic anions. The enthalpies of exchange vary linearly with the number of carbon atoms, suggesting that the intercalated dicarboxylate anions are perpendicular to the layers. The energetic parameters show, for the first time, hydrophobic interactions between the CH2 groups of the parallel succinate or adipate anions and hydrogen bonding between the OH groups of the parallel tartrate anions.

Graphical abstract: Intercalation of dicarboxylate anions into a Zn–Al–Cl layered double hydroxide: microcalorimetric determination of the enthalpies of anion exchange

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Article information

DOI
https://doi.org/10.1039/B303953F
Article type
Paper
Submitted
08 Apr 2003
Accepted
10 Jul 2003
First published
07 Aug 2003

J. Mater. Chem., 2003,13, 2582-2585

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Intercalation of dicarboxylate anions into a Zn–Al–Cl layered double hydroxide: microcalorimetric determination of the enthalpies of anion exchange

N. Morel-Desrosiers, J. Pisson, Y. Israëli, C. Taviot-Guého, J. Besse and J. Morel, J. Mater. Chem., 2003, 13, 2582 DOI: 10.1039/B303953F

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