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Characterization of Intermediate Oxidation States in CO2 Activation

TitleCharacterization of Intermediate Oxidation States in CO2 Activation
Publication TypeJournal Article
Year of Publication2018
AuthorsDodson, LG, Thompson, MC, J. Weber, M
JournalAnnual Review of Physical Chemistry
Date Published2018-02
Keywordscarbon dioxide, carbonate, CO2 reduction catalysis, C‐O activation, formate, oxalate

Redox chemistry during the activation of carbon dioxide involves changing the charge state in a COmolecular unit. However, such changes are usually not well described by integer formal charges, and one can think of COO functional units as being in intermediate oxidation states. In this article, we discuss the properties of COand CO2-based functional units in various charge states. Besides covering isolated CO2 and its ions, we describe the CO2- based ionic species formate, oxalate, and carbonate. Finally, we provide an overview of CO2-based functional groups and ligands in clusters and metal–organic complexes.


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