EXACT EXPRESSION FOR THE SPIN-7/2 LINE-INTENSITIES - APPLICATION TO SOLID-STATE CO-59(III) NMR

被引：18

作者：

MAN, PP ^{[1
]}

TOUGNE, P ^{[1
]}

机构：

[1] ECOLE SUPER PHYS & CHIM IND VILLE PARIS,PHYS QUANT LAB,CNRS,URA 1428,F-75231 PARIS 05,FRANCE

来源：

MOLECULAR PHYSICS | 1994年 / 83卷 / 05期

关键词：

D O I：

10.1080/00268979400101721

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：

The density matrix of a spin I = 7/2, excited by a radiofrequency pulse, is calculated in taking into account the first order quadrupolar interaction during the excitation. Therefore, the results are valid for any ratio of the quadrupolar coupling omega(Q) to the pulse amplitude omega(RF). The behaviour of the central line intensity versus the pulse length is discussed both in time and frequency domains. The quadrupolar coupling constant e(2)qQ/h = 8.24 MHz of the Co-59(III) nucleus in a polycrystalline sample of Na-3[Co(NO2)(6)] is determined using this one-dimensional nutation method, and the lineshape reveals mainly the presence of chemical shift anisotropy with axial symmetry.

引用

页码：997 / 1009

页数：13

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