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The Molecular and Electronic Structure of Octahedral Tris(phenolato)iron( III ) Complexes and Their Phenoxyl Radical Analogues: A Mössbauer and Resonance Raman Spectroscopic Study
Author(s) -
Snodin Michael D.,
OuldMoussa Lynda,
Wallmann Ursula,
Lecomte Sophie,
Bachler Vinzenz,
Bill Eckhard,
Hummel Helga,
Weyhermüller Thomas,
Hildebrandt Peter,
Wieghardt Karl
Publication year - 1999
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/(sici)1521-3765(19990903)5:9<2554::aid-chem2554>3.0.co;2-h
Subject(s) - mössbauer spectroscopy , raman spectroscopy , resonance raman spectroscopy , chemistry , octahedron , radical , resonance (particle physics) , tris , electron paramagnetic resonance , ligand (biochemistry) , ligand field theory , crystallography , metal , photochemistry , nuclear magnetic resonance , crystal structure , ion , organic chemistry , biochemistry , physics , receptor , particle physics , optics
One, two, and three coordinated phenoxyl radicals are formed by a series of differently substituted tris(phenolato)iron( III ) complexes, [Fe III L], which undergo three reversible one‐electron oxidations. The cations [Fe III L] + . and [Fe III L] 2+ . . have been characterized by zero‐ and applied field Mössbauer and resonance Raman spectroscopy. Both techniques prove unambiguously and independently that these oxidations are ligand‐ rather than metal‐centered processes.