Synthesis and ESR spectra of [4,6-di-tert-butyl-N-(2,6-diisopropylphenyl)-o-iminobenzosemiquinonato]thallium(I)

被引：12
|
作者：
Poddel'sky, AI [1 ]
Abakumov, GA [1 ]
Bubnov, MP [1 ]
Cherkasov, VK [1 ]
Abakumova, LG [1 ]
机构：
[1] Russian Acad Sci, GA Razuvaev Inst Organomet Chem, Nizhnii Novgorod 603950, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2004年 / 53卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
solvation; ESR spectroscopy; o-iminobenzoquinone; thallium;
D O I：
10.1023/B:RUCB.0000042272.46494.55
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
[4,6-Di-tert-butyl-N-(2,6-diisopropylphenyl)-o-iminobenzosemiquinonato]thallium(I) was synthesized and characterized by IR and ESR spectroscopy. The hyperfine coupling constants with Tl-203/205 nuclei were found to depend strongly on the nature (solvating ability) of solvents. At 298 K, the HFC constant a(Tl) changes from 3.09 mT in n-hexane up to 19.70 mT in tetramethylethylenediamine. The coordination number of solvation was found to be 1 for DMF-benzene and pyridine-hexane systems. The thermodynamic characteristics of solvation in the pyridine-hexane system were determined.
引用
收藏
页码：1189 / 1193
页数：5
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