Bis-o-semiquinonato cadmium(II) complexes with o-quinonato and N-heterocyclic carbene neutral ligands

被引：9
|
作者：
Bellan, Ekaterina V. [1 ,2 ]
Poddel'sky, Andrey I. [1 ,2 ]
Protasenko, Natalia A. [1 ]
Cherkasov, Anton V. [1 ]
Bogomyakov, Artem S. [3 ]
Cherkasov, Vladimir K. [1 ,2 ]
Abakumov, Gleb A. [1 ,2 ]
机构：
[1] Russian Acad Sci, GA Razuvaev Inst Organometall Chem, Nizhnii Novgorod 603950, Russia
[2] Nizhniy Novgorod State Univ, Nizhnii Novgorod 603950, Russia
[3] Russian Acad Sci, Int Tomog Ctr, Siberian Branch, Novosibirsk 630090, Russia
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2014年 / 50卷
关键词：
Redox-active ligands; o-Semiquinone; Cadmium; N-heterocyclic carbene; X-ray analysis; TRANSITION-METAL-COMPLEXES; CATECHOLATE; OXIDATION; 3,6-DI-TERT-BUTYL-O-BENZOQUINONE; BENZOQUINONE; BINDING; ZINC; EPR;
D O I：
10.1016/j.inoche.2014.10.001
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction of cadmium amalgam with excess of 3,6-di-tert-butyl-o-quinone (3,6-Q) in THF afforded the new bis-o-semiquinonato cadmium(II) complex coordinated with one molecule of neutral o-quinone (3,6-SQ)(2)Cd(3,6-Q) (1) acting as a starting reagent to other bis-o-semiquinonato cadmium(II) complex with N-heterocyclic carbene (NHC)-(3,6-SQ)(2)Cd{C[N(Ar)(CH)](2)} (Ar = 2,6-dimethylphenyl) (2). Both complexes possess a singlet ground state with thermally accessible triplet state (the singlet-triplet gap is 8 cm(-1) for 1 and 132 cm(-1) for 2) as confirmed by magnetic data. The antiferromagnetic exchange SQ-SQ is observed for both complexes. (C) 2014 Elsevier B.V. All rights reserved.
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页码：1 / 3
页数：3
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