The direct detection of a hydrogen bond in the solid state by NMR through the observation of a hydrogen-bond mediated 15N-15N J coupling

被引：71

作者：

Brown, SP

Pérez-Torralba, M

Sanz, D

Claramunt, RM

Emsley, L ^{[1
]}

机构：

[1] Ecole Normale Super Lyon, CEA 23V, Lab Rech Convent, CNRS,ENS,UMR 5532,Lab Stereochim & Interact Mol, F-69364 Lyon, France

[2] Univ Nacl Educ Distancia, Fac Ciencias, Dept Quim Organ & Biol, E-28040 Madrid, Spain

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2002年 / 124卷 / 07期

关键词：

D O I：

10.1021/ja0172262

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new method for detecting hydrogen bonds in the solid state is presented. Using two-dimensional NMR correlation experiments, it is shown that a hydrogen-bond mediated J coupling can be observed in a powder under magic-angle spinning conditions, even though the J coupling is 2 orders of magnitude smaller than the dominant anisotropic interactions encountered in solid-state NMR. Specifically, the observation of a pair of peaks in a two-dimensional 15N-15N solid-state INADEQUATE experiment due to two nitrogens that have no covalent connectivity is attributed to the presence of a J coupling across a linking hydrogen bond. Copyright © 2002 American Chemical Society.

引用

页码：1152 / 1153

页数：2

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