Issue 5, 2001
From the journal:

Journal of the Chemical Society, Dalton Transactions

Intercalation of n-alkylamines into layered materials: a method for the recognition of isomorphism in semicrystalline compounds

Aránzazu Espina,a   Camino Trobajo,a   Sergei A. Khainakov,a   José R. Garcíaa  and  Anatoly I. Bortunb  

a Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, Oviedo, Spain
E-mail: jrgm@sauron.quimica.uniovi.es

b ASEC Delphi Energy & Chassis Systems, 1301 Main Parkway, Catoosa, USA

Abstract

n-Alkylamines were intercalated into Ti2O3(H2AsO4)2·2H2O (TiOAs) and Zr2O3(HAsO4)·3H2O (ZrOAs) by exposing the solids to the amine vapour. The formulae of the intercalation compounds are Ti2O3(H2AsO4)2·1.7CnH2n + 1NH2·2H2O and Zr2O3(HAsO4)·0.6Cn H2n + 1 NH2·2H2O (n = 3–6), respectively. The intercalated amines form bimolecular layers in the interlayer space of the polyvalent metal arsenates. The changes in the basal spacing of the intercalation compounds as a function of the length of the alkyl chain were used for evaluation of the free area associated with each active centre in the arsenate layers: 11.8 (TiOAs) and 10.8 Å2 (ZrOAs). The comparison of these data with analogous data reported for n-alkylamine intercalation into other metal(IV) arsenates and metal(IV) phosphates resulted in the formulation of a procedure for the recognition of isomorphism in semicrystalline compounds.

Graphical abstract: Intercalation of n-alkylamines into layered materials: a method for the recognition of isomorphism in semicrystalline compounds

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Article information

DOI
https://doi.org/10.1039/B005938M
Article type
Paper
Submitted
24 Jul 2000
Accepted
08 Jan 2001
First published
13 Feb 2001

J. Chem. Soc., Dalton Trans., 2001, 753-757

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Intercalation of n-alkylamines into layered materials: a method for the recognition of isomorphism in semicrystalline compounds

A. Espina, C. Trobajo, S. A. Khainakov, J. R. García and A. I. Bortun, J. Chem. Soc., Dalton Trans., 2001, 753 DOI: 10.1039/B005938M

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