CHEMICAL-SHIFT ANISOTROPY AND INDIRECT COUPLING IN SNO2 AND SNO

被引：91

作者：

COSSEMENT, C

DARVILLE, J

GILLES, JM

NAGY, JB

FERNANDEZ, C

AMOUREUX, JP

机构：

[1] FAC UNIV NOTRE DAME PAIX,INST INTERFACE SCI,SPECTROSCOPIE MOLEC SURFACE LAB,B-5000 NAMUR,BELGIUM

[2] FAC UNIV NOTRE DAME PAIX,INST INTERFACE SCI,CATALYSE LAB,B-5000 NAMUR,BELGIUM

[3] UNIV LILLE 1,DYNAM & STRUCT MAT MOLEC LAB,UA801,F-59655 VILLENEUVE DASCQ,FRANCE

来源：

MAGNETIC RESONANCE IN CHEMISTRY | 1992年 / 30卷 / 03期

关键词：

NUCLEAR MAGNETIC RESONANCE; MAGIC ANGLE SPINNING; TIN MONOXIDE; TIN DIOXIDE; CHEMICAL SHIFT ANISOTROPY; INDIRECT COUPLING; POWDER;

D O I：

10.1002/mrc.1260300313

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The magic angle solid-state NMR spectra of SnO2 and SnO were recorded and analysed. The chemical shift tensor anisotropy is much smaller for SnO2 (136 ppm) than for SnO (975 ppm). Simple calculations suggest that the latter is mainly due to the asymmetry in the valence electron cloud of the tin atom in SnO. An Sn-Sn indirect coupling of 8300 Hz was found in SnO, indicating the possibility of Sn 5s orbitals at the top of the valence band of SnO.

引用

页码：263 / 270

页数：8

共 31 条

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