ISSN:
1434-1948
Keywords:
Peroxo complexes
;
Iron
;
Nonheme iron
;
Iron
;
EPR spectroscopy
;
Mass spectrometry
;
UV/Vis spectroscopy
;
Chemistry
;
General Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Notes:
Some nonheme hydroperoxoiron(III) species have been recently characterized by several groups. The reported examples were obtained by adding H2O2 in excess to an FeII complex with a neutral polypyridine ligand. We show here that on deprotonation, the purple low-spin hydroperoxoiron(III) complex [L5FeIIIOOH]2+ [L5 = N-methyl-N,N′,N′-tris(2-pyridylmethyl)ethane-1,2-diamine] gives a blue high-spin species which we characterized as the η2-peroxoiron(III) species [L5FeIIIO2]+. It seems that with such an auxiliary ligand, the hydroperoxo group is acidic in contrast with its basicity when it is coordinated to a heme group.
Additional Material:
3 Ill.
Type of Medium:
Electronic Resource
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