Effect of proton chemical-shift anisotropy on double-quantum MAS NMR sideband patterns

被引：7

作者：

Tekely, P ^{[1
]}

Demco, DE

Canet, D

Malveau, C

机构：

[1] Univ Nancy 1, CNRS, UPRESA 7042, Lab Methodol RMN, F-54506 Vandoeuvre Les Nancy, France

[2] Tech Univ, Dept Phys, Cluj Napoca 3400, Romania

来源：

CHEMICAL PHYSICS LETTERS | 1999年 / 309卷 / 1-2期

关键词：

D O I：

10.1016/S0009-2614(99)00641-7

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：

We present experimental and theoretical evidences of enhanced effects of chemical shift anisotropy on the double-quantum (DQ) dipolar spinning sideband patterns. The NMR DQ response to a five-pulse sequence of dipolar coupled spin-1/2 pairs in a powder sample of barium chlorate monohydrate spinning at the magic angle is investigated for different spinning frequencies and different durations of excitation and reconversion periods. The basic understanding of the effect of chemical shift interaction on multiple-quantum (MQ) spinning sideband patterns will be useful in the quantitative analysis of MQ spectra for structural purposes and may be exploited for measurements of 1H chemical shift anisotropy. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：101 / 110

页数：10

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