A More Reactive Trigonal-Bipyramidal High-Spin Oxoiron(IV) Complex with a cis-Labile Site

The trigonal-bipyramidal high-spin (S = 2) oxoiron(IV) complex [FeIV(O)(TMG2dien)(CH3CN)]2+ (7) was synthesized and spectroscopically characterized. Substitution of the CH3CN ligand by anions, demonstrated here for X = N3 – and Cl–, yielded additional S = 2 oxoiron(IV) complexes of general formulati...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2011-08, Vol.133 (31), p.11880-11883
Main Authors: England, Jason, Guo, Yisong, Van Heuvelen, Katherine M, Cranswick, Matthew A, Rohde, Gregory T, Bominaar, Emile L, Münck, Eckard, Que, Lawrence
Format: Article
Language:English
Subjects:
Coordination Complexes - chemistry
Ferrous Compounds - chemistry
Molecular Structure
Quantum Theory
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Summary:The trigonal-bipyramidal high-spin (S = 2) oxoiron(IV) complex [FeIV(O)(TMG2dien)(CH3CN)]2+ (7) was synthesized and spectroscopically characterized. Substitution of the CH3CN ligand by anions, demonstrated here for X = N3 – and Cl–, yielded additional S = 2 oxoiron(IV) complexes of general formulation [FeIV(O)(TMG2dien)(X)]+ (7-X). The reduced steric bulk of 7 relative to the published S = 2 complex [FeIV(O)(TMG3tren)]2+ (2) was reflected by enhanced rates of intermolecular substrate oxidation.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja2040909