Synthetic High-Spin Oxoiron(IV) Complex: Generation, Spectroscopic Characterization, and Reactivity

High versus low: The high-yield generation of a synthetic high-spin oxoiron(IV) complex, [FeIV(O)(TMG₃tren)]²⁺ (see picture, TMG₃tren = 1,1,1-tris{2-[N2-(1,1,3,3-tetramethylguanidino)]ethyl}amine), has been achieved by using the very bulky tetradentate TMG₃tren ligand, in order to both sterically pr...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2009-01, Vol.48 (20), p.3622-3626
Main Authors: England, Jason, Martinho, Marlène, Farquhar, Erik R, Frisch, Jonathan R, Bominaar, Emile L, Münck, Eckard, Que, Lawrence Jr
Format: Article
Language:English
Subjects:
bioinorganic chemistry
enzyme models
Ferrous Compounds - chemical synthesis
Ferrous Compounds - chemistry
GEOMETRY
GROUND STATES
high‐valent compounds
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
IRON
IRON COMPLEXES
Magnetic Resonance Spectroscopy
national synchrotron light source
nonheme iron complexes
Oxidants - chemical synthesis
Oxidants - chemistry
REACTIVITY
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Summary:High versus low: The high-yield generation of a synthetic high-spin oxoiron(IV) complex, [FeIV(O)(TMG₃tren)]²⁺ (see picture, TMG₃tren = 1,1,1-tris{2-[N2-(1,1,3,3-tetramethylguanidino)]ethyl}amine), has been achieved by using the very bulky tetradentate TMG₃tren ligand, in order to both sterically protect the oxoiron(IV) moiety and enforce a trigonal bipyramidal geometry at the iron center, for which an S=2 ground state is favored.
ISSN:1433-7851
0570-0833
1521-3773
DOI:10.1002/anie.200900863