CD-113 NMR-STUDIES OF HOFMANN-TYPE CLATHRATES AND RELATED-COMPOUNDS - EVIDENCE FOR 2 ROOM-TEMPERATURE ORIENTATIONAL GLASSES

被引：41

作者：

NISHIKIORI, S ^{[1
]}

RATCLIFFE, CI ^{[1
]}

RIPMEESTER, JA ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA,DIV CHEM,OTTAWA K1A 0R9,ONTARIO,CANADA

来源：

CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE | 1990年 / 68卷 / 12期

关键词：

CD-113; NMR; HOFMANN-TYPE CLATHRATES; CD(CN)2; DISORDER; ORIENTATIONAL GLASS;

D O I：

10.1139/v90-349

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cd-113 magic angle spinning NMR, with and without H-1 cross-polarisation and decoupling, has been used to study a number of Hofmann-type clathrates and related compounds. The Cd-113 chemical shift shows a great sensitivity to the environment of Cd, even for complexes with closely related structures. The presence of five resonances due to Cd surrounded by C(x)N(4-x) (where x = 0 to 4) in Cd(CN)2 and Cd(CN)2.C6H12 indicates a static disorder of the CN groups, which makes these materials orientational glasses.

引用

页码：2270 / 2273

页数：4

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