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Titolo:
Al-27 MAS NMR and XAS cross-study of the aluminophosphonate Al(OH)(O3PC6H5)
Autore:
Chaplais, G; Prouzet, E; Flank, AM; Le Bideau, J;
Indirizzi:
Univ Montpellier 2, Lab Chim Mol & Org Solide, CNRS, UMR 5637, F-34095 Montpellier 5, France Univ Montpellier 2 Montpellier France 5 7, F-34095 Montpellier 5, France CNRS, UMR 5635, Inst Europeen Membranes, F-34293 Montpellier, France CNRSMontpellier France F-34293 n Membranes, F-34293 Montpellier, France Univ Paris 11, LURE, F-91898 Orsay, France Univ Paris 11 Orsay France F-91898 Paris 11, LURE, F-91898 Orsay, France
Titolo Testata:
NEW JOURNAL OF CHEMISTRY
fascicolo: 11, volume: 25, anno: 2001,
pagine: 1365 - 1367
SICI:
1144-0546(2001)25:11<1365:AMNAXC>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
LINED UNIDIMENSIONAL CHANNELS; SOLID-STATE NMR; ALUMINUM METHYLPHOSPHONATE; ALMEPO-ALPHA; PHOSPHONATES; P-31; PHENYLPHOSPHONATE; CONVENTIONS; FAMILY; GA-71;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Le Bideau, J Univ Montpellier 2, Lab Chim Mol & Org Solide, CNRS, UMR 5637, Case Courrier 007,Pl Eugene Bataillon, F-34095 Montpellier 5, France UnivMontpellier 2 Case Courrier 007,Pl Eugene Bataillon Montpellier France 5
Citazione:
G. Chaplais et al., "Al-27 MAS NMR and XAS cross-study of the aluminophosphonate Al(OH)(O3PC6H5)", NEW J CHEM, 25(11), 2001, pp. 1365-1367

Abstract

An aluminium phenylphosphonate, has Al(OH)(O3PC6H5), been studied. Its poor long-range crystallographic organisation required the use of local probe techniques such as P-31 and Al-27 MAS NMR and XAS. An unexpectedly narrow and symmetric Al-27 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 attributedto a five-fold coordination site, the first observed for a phosphonato-aluminum atom.

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Documento generato il 06/04/20 alle ore 06:36:22