INTERATOMIC DISTANCES IN LAYERED SILICATES AND THEIR INTERCALATION COMPOUNDS AS STUDIED BY CROSS-POLARIZATION NMR

被引：15

作者：

HAYASHI, S ^{[1
]}

AKIBA, E ^{[1
]}

机构：

[1] UNIV TSUKUBA,DEP CHEM,TSUKUBA,IBARAKI 305,JAPAN

来源：

CHEMICAL PHYSICS LETTERS | 1994年 / 226卷 / 5-6期

关键词：

D O I：

10.1016/0009-2614(94)00773-X

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：

Contact time dependences of signal intensities in Si-29 and C-13 CP/MAS NMR have been measured for kaolinite and kaolinite-dimethylsulphoxide (DMSO) and kaolinite-DMSO-d6 intercalation compounds. Cross relaxation times between H-1 and Si-29 and between H-1 and C-13 have been estimated experimentally, which reflect the internuclear distances. Relaxation times have been calculated theoretically using reported crystal structure models, and we have discussed the validity of those models.

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页码：495 / 500

页数：6

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