A Mixed-Valence Fluorido-Bridged Fe II Fe III Complex

The reaction of the new dinucleating ligand susan with Fe(BF ) ·6H O results in formation of the homovalent Fe Fe complex [(susan ){Fe (μ-F) Fe }] and the mixed-valence Fe Fe complex [(susan ){Fe F(μ-F)Fe F}] depending on the absence or presence of dioxygen, respectively. Complex [(susan ){Fe F(μ-F)...

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Bibliographic Details
Published in:Inorganic chemistry 2017-02, Vol.56 (4), p.1779-1782
Main Authors: Dammers, Susanne, Zimmermann, Thomas Philipp, Walleck, Stephan, Stammler, Anja, Bögge, Hartmut, Bill, Eckhard, Glaser, Thorsten
Format: Article
Language:English
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Summary:The reaction of the new dinucleating ligand susan with Fe(BF ) ·6H O results in formation of the homovalent Fe Fe complex [(susan ){Fe (μ-F) Fe }] and the mixed-valence Fe Fe complex [(susan ){Fe F(μ-F)Fe F}] depending on the absence or presence of dioxygen, respectively. Complex [(susan ){Fe F(μ-F)Fe F}] is the first molecular mixed-valence complex with a fluorido bridge. The short Fe -μ-F bond of 1.87 Å causes a large reorganization energy, resulting in a localized class II system with an intervalence charge-transfer band of high energy at 10000 cm .
ISSN:0020-1669
1520-510X
DOI:10.1021/acs.inorgchem.6b03093