Identification of a Two-Coordinate Iron(I)–Oxalate Complex

Mayer M, Vankova N, Stolz F, Abel B, Heine T, Asmis KR (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Angewandte Chemie International Edition Wiley

Book Volume: 61

Article Number: e202117855

Journal Issue: 16

DOI: 10.1002/anie.202117855

Abstract

Exotic oxidation states of the first-row transition metals have recently attracted much interest. In order to investigate the oxidation states of a series of iron–oxalate complexes, an aqueous solution of iron(III) nitrate and oxalic acid was studied by infrared free liquid matrix-assisted laser desorption/ionization as well as ionspray mass spectrometry. Here, we show that iron is not only detected in its common oxidation states +II and +III, but also in its unusual oxidation state +I, detectable in both positive-ion and in negative-ion modes, respectively. Vibrational spectra of the gas phase anionic iron oxalate complexes [Fe^III(C2O4)2]⁻, [Fe^II(C2O4)CO2]⁻, and [Fe^I(C2O4)]⁻ were measured by means of infrared photodissociation spectroscopy and their structures were assigned by comparison to anharmonic vibrational spectra based on second-order perturbation theory.

Involved external institutions

Universität Leipzig

Germany (DE) Technische Universität Dresden

Germany (DE) Leibniz-Institute für Oberflächenmodifizierung e. V. (IOM) / Leibniz Institute of Surface Modification

Germany (DE)

How to cite

APA:

Mayer, M., Vankova, N., Stolz, F., Abel, B., Heine, T., & Asmis, K.R. (2022). Identification of a Two-Coordinate Iron(I)–Oxalate Complex. Angewandte Chemie International Edition, 61(16). https://doi.org/10.1002/anie.202117855

MLA:

Mayer, Martin, et al. "Identification of a Two-Coordinate Iron(I)–Oxalate Complex." Angewandte Chemie International Edition 61.16 (2022).

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