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Direct 2H NMR observation of the proton mobility of the acidic sites of anhydrous 12-tungstophosphoric acid. / Kolokolov, Daniil I.; Kazantsev, Maxim S.; Luzgin, Mikhail V. и др.

в: ChemPhysChem, Том 14, № 9, 24.06.2013, стр. 1783-1786.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Kolokolov DI, Kazantsev MS, Luzgin MV, Jobic H, Stepanov AG. Direct 2H NMR observation of the proton mobility of the acidic sites of anhydrous 12-tungstophosphoric acid. ChemPhysChem. 2013 июнь 24;14(9):1783-1786. doi: 10.1002/cphc.201300291

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BibTeX

@article{c273c2d851dd4fbb83bcb951c3ffc97f,
title = "Direct 2H NMR observation of the proton mobility of the acidic sites of anhydrous 12-tungstophosphoric acid",
abstract = "Flip and hop before you′re caught! The proton dynamics of solid 12-tungstophosphoric acid (TPA) is probed by solid-state 2H NMR in a temperature range from 293-503 K. Protons of TPA are shown to be involved in two types of molecular motion (see picture): the anisotropic local two-site flipping between the two possible orientations of the O-H bond at bridged oxygens of the Keggin anion, and the isotropic diffusion by hopping between neighboring surface oxygens of the anion.",
keywords = "heterogeneous catalysis, NMR spectroscopy, proton mobility, solid heteropolyacids, solid state",
author = "Kolokolov, {Daniil I.} and Kazantsev, {Maxim S.} and Luzgin, {Mikhail V.} and Herv{\'e} Jobic and Stepanov, {Alexander G.}",
year = "2013",
month = jun,
day = "24",
doi = "10.1002/cphc.201300291",
language = "English",
volume = "14",
pages = "1783--1786",
journal = "ChemPhysChem",
issn = "1439-4235",
publisher = "Wiley-Blackwell",
number = "9",

}

RIS

TY - JOUR

T1 - Direct 2H NMR observation of the proton mobility of the acidic sites of anhydrous 12-tungstophosphoric acid

AU - Kolokolov, Daniil I.

AU - Kazantsev, Maxim S.

AU - Luzgin, Mikhail V.

AU - Jobic, Hervé

AU - Stepanov, Alexander G.

PY - 2013/6/24

Y1 - 2013/6/24

N2 - Flip and hop before you′re caught! The proton dynamics of solid 12-tungstophosphoric acid (TPA) is probed by solid-state 2H NMR in a temperature range from 293-503 K. Protons of TPA are shown to be involved in two types of molecular motion (see picture): the anisotropic local two-site flipping between the two possible orientations of the O-H bond at bridged oxygens of the Keggin anion, and the isotropic diffusion by hopping between neighboring surface oxygens of the anion.

AB - Flip and hop before you′re caught! The proton dynamics of solid 12-tungstophosphoric acid (TPA) is probed by solid-state 2H NMR in a temperature range from 293-503 K. Protons of TPA are shown to be involved in two types of molecular motion (see picture): the anisotropic local two-site flipping between the two possible orientations of the O-H bond at bridged oxygens of the Keggin anion, and the isotropic diffusion by hopping between neighboring surface oxygens of the anion.

KW - heterogeneous catalysis

KW - NMR spectroscopy

KW - proton mobility

KW - solid heteropolyacids

KW - solid state

UR - http://www.scopus.com/inward/record.url?scp=84879173749&partnerID=8YFLogxK

U2 - 10.1002/cphc.201300291

DO - 10.1002/cphc.201300291

M3 - Article

AN - SCOPUS:84879173749

VL - 14

SP - 1783

EP - 1786

JO - ChemPhysChem

JF - ChemPhysChem

SN - 1439-4235

IS - 9

ER -

ID: 23332173