Oxidation and reduction response of α-diimine complexes with tricarbonylrhenium halides and pseudohalides

被引:13
作者
Grupp, Anita [1 ]
Bubrin, Martina [1 ]
Ehret, Fabian [1 ]
Kvapilova, Hana [2 ]
Zalis, Stanislav [2 ]
Kaim, Wolfgang [1 ]
机构
[1] Univ Stuttgart, Inst Anorgan Chem, D-70550 Stuttgart, Germany
[2] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, Vvi, CZ-18223 Prague, Czech Republic
关键词
1,4-Diazabuta-1,3-dienes; Electronic structure; Pseudohalogen ligands; Rhenium compounds; Spectroelectrochemistry; DFT calculations; EXCITED-STATES; CHARGE-TRANSFER; RHENIUM(I) COMPLEXES; TRANSITION-METAL; CO2; SOLVATOCHROMISM; LIGANDS; ABSORPTION; REACTIVITY; EPR;
D O I
10.1016/j.jorganchem.2013.08.030
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Compounds [Re(CO)(3)X(R-DAB)], X = Cl, Br, CN, NCS and R-DAB = RN=CH-CH=NR (R = tert-butyl) were obtained, structurally characterized, and studied with regard to their oxidation and reduction behavior using cyclic voltammetry, EPR, IR and UV-vis-NIR spectroelectrochemistry. Whereas the halide compounds exhibit more reversible oxidation processes, the pseudohalide complexes display reversible one-electron reduction but irreversible oxidation. DFT and TD-DFT calculations were employed to confirm the experimentally derived electronic structures and spectral properties. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:678 / 685
页数:8
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