Gas-phase study of metal complexes with redox-active ligands

被引：12

作者：

Yassaghi, Ghazaleh ^{[1
]}

Jasikova, Lucie ^{[1
]}

Roithova, Jana ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Sci, Dept Organ Chem, Hlavova 8, Prague 12843 2, Czech Republic

来源：

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2016年 / 407卷

关键词：

Copper; Density functional theory calculations; Infrared spectra; Mass spectrometry; Phenols; Quinones; Redox-active ligands; Semiquinones; ELECTRON-TRANSFER; COPPER; ACTIVATION; BIOCHEMISTRY; REDUCTION; RUTHENIUM; BINDING; ALKYNES;

D O I：

10.1016/j.ijms.2016.07.010

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Singly charged complexes of copper, silver, sodium, and zinc with redox-active ligands (catechol, maltol, and phenanthraquinone) were studied by mass spectrometry, infrared multiphoton dissociation (IRMPD) spectroscopy, and density functional theory calculations. The redox processes in copper complexes were evaluated based on a comparison with complexes bearing a non-redox active metal and by using the C-O stretching mode as a redox marker. We have detected changes in electron distribution in copper complexes with phenanthraquinone and maltol. It led to a partial reduction of the phenanthraquinone ligands on one hand and to the oxidation of maltol on the other. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：92 / 100

页数：9

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