Ferro- and antiferromagnetic interactions of cyano-substituted thioaminyl radicals

被引：3
|
作者：
Nakatsuji, M
Miura, Y [1 ]
Teki, Y
机构：
[1] Osaka City Univ, Dept Appl Chem, Fac Engn, Sumiyoshi Ku, Osaka 5588585, Japan
[2] Osaka City Univ, Dept Mat Sci, Grad Sch Sci, Sumiyoshi Ku, Osaka 5588585, Japan
来源：
POLYHEDRON | 2001年 / 20卷 / 11-14期
关键词：
thioaminyl; ESR; SQUID; ferromagnetic interaction;
D O I：
10.1016/S0277-5387(01)00618-0
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four kinds of thioaminyls, N-(arylthio)-2-ethoxycarbonyl- (1), N-(arylthio)-2-acetyl- (2), N-(arylthio)-2-cyano- (3), and N-(arylthio)-2-fluoro-4,6-diarylphenylaminyls (4) were prepared. Thioaminyls 3 were quite persistent and could be isolated as radical crystals, For the isolated three radicals (3a, 3b and 3d) the magnetic susceptibility measurements were carried out using a SQUID magnetometer in the temperature range 1.8-300 K. The magnetic interactions of 3b and 3d were antiferromagnetic, and that of 3a was ferromagnetic. Analysis of the chi T-mol versus T plots of 3a with the one-dimensional regular Heisenberg model gave 2J/k(B) = + 11.2 K. (C) 2001 Elsevier Science Ltd, All rights reserved.
引用
收藏
页码：1355 / 1357
页数：3
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