High-field 17O NMR studies of the SiOAl bond in solids

被引：73

作者：

Pingel, UT

Amoureux, JP

Anupold, T

Bauer, F

Ernst, H

Fernandez, C

Freude, D

Samoson, A

机构：

[1] Univ Leipzig, D-04103 Leipzig, Germany

[2] Univ Sci & Tech Lille Flandres Artois, F-59655 Villeneuve Dascq, France

[3] Estonian Acad Sci, Inst Chem Phys & Biophys, Tallinn, Estonia

来源：

CHEMICAL PHYSICS LETTERS | 1998年 / 294卷 / 4-5期

关键词：

D O I：

10.1016/S0009-2614(98)00847-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Oxygen-17 multiple-quantum magic-angle spinning and double rotation nuclear magnetic resonance studies were performed in the field of 17.6 T. A correlation between the isotropic value of the chemical shift and the SiOAl bond angle in zeolites was found. The correlation may be used for the determination of bond angles in SiOAl sites without long-range order. It is shown that multiple-quantum and double rotation techniques are complementary tools for getting highly-resolved O-17 NMR Spectra of solids. (C) 1998 Elsevier Science B.V. All rights reserved.

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收藏

页码：345 / 350

页数：6

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