27Al MAS NMR and XAS cross-study of the aluminophosphonate Al(OH)(O3PC6H5)

Gérald Chaplais; Eric Prouzet; Anne-Marie Flank; Jean Le Bideau

doi:10.1039/B106545A

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²⁷Al MAS NMR and XAS cross-study of the aluminophosphonate Al(OH)(O₃PC₆H₅)†

Gérald Chaplais,^a Eric Prouzet,^b Anne-Marie Flank^c and Jean Le Bideau*^a

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* Corresponding authors

^a Laboratoire de Chimie Moléculaire et Organisation du Solide (CNRS UMR 5637), Case Courrier 007, Uniersité Montpellier 2, Place Eugène Bataillon, Montpellier cedex 5, France
E-mail: lebideau@univ-montp2.fr
Fax: Fax: +33 4 67 14 38 52
Tel: Tel: +33 4 67 14 38 53

^b Institut Européen des Membranes (CNRS UMR 5635), CNRS, 1919 route de Mende, Montpellier cedex 3, France

^c LURE, Bâtiment 209d, BP34, Uniersité Paris-Sud, Orsay cedex, France

Abstract

An aluminium phenylphosphonate, Al(OH)(O₃PC₆H₅), has been studied. Its poor long-range crystallographic organisation required the use of local probe techniques such as ³¹P and ²⁷Al MAS NMR and XAS. An unexpectedly narrow and symmetric ²⁷Al MAS NMR signal was obtained, with an isotropic chemical shift that has not been observed earlier in aluminium phosphonates. XANES and EXAFS studies showed unambiguously that this signal had to be attributed to a five-fold coordination site, the first observed for a phosphonato-aluminium atom.

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Supplementary files

X-Ray powder diffraction pattern of Al(OH)(O ₃PC ₆H ₅) RTF (3588K)

Article information

DOI: https://doi.org/10.1039/B106545A
Article type: Letter
Submitted: 20 Jul 2001
Accepted: 06 Sep 2001
First published: 18 Oct 2001

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New J. Chem., 2001,25, 1365-1367

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²⁷Al MAS NMR and XAS cross-study of the aluminophosphonate Al(OH)(O₃PC₆H₅)

G. Chaplais, E. Prouzet, A. Flank and J. Le Bideau, New J. Chem., 2001, 25, 1365 DOI: 10.1039/B106545A

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