Synthesis, structure, and magnetic properties of magnesium bis-3,6-di-tert-butyl-о-benzosemiquinonate complexes with N-donor ligands

被引：0
作者：
A. V. Piskunov
A. V. Maleeva
A. S. Bogomyakov
G. K. Fukin
机构：
[1] Russian Academy of Sciences,G. A. Razuvaev Institute of Organometallic Chemistry
[2] Siberian Branch of the Russian Academy of Sciences,International Tomography Center
来源：
Russian Chemical Bulletin | 2017年 / 66卷
关键词：
-benzosemiquinone; magnesium; magnetochemical studies; X-ray diffraction;
D O I：
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学科分类号：
摘要：
A series of six-coordinate magnesium bis-3,6-di-tert-butyl-о-benzosemiquinonate complexes with different N-donor ligands (2,2´-dipyridyl, 1,10-phenanthroline, 2,9-dimethyl-1,10-phenanthroline, pyridine, N-phenyl-1-(4-pyridinyl)methanimine) were synthesized. The molecular and crystal structures of these complexes were determined by X-ray diffraction. In the complexes with bidentate N-donor ligands, the O,O-diolate o-semiquinone ligands are cis to each other, whereas the compounds with monodentate ligands contain organic radical anions in trans positions. The specific features of magnetic exchange coupling between organic radical ligands were studied by temperature-dependent magnetic susceptibility measurements.
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页码：1618 / 1628
页数：10
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