Properties of Coordinated Dioxygen

The most widely measured property of metal dioxygen complexes has been the vibrational spectrum of coordinated dioxygen. The infrared spectral frequency in the 

Electronic spectral data corroborate structural and infrared results which show that on oxygenation of a metal complex, the metal is oxidized and the dioxygen is reduced [3]. Visible spectral evidence is available for a Co(III) dioxygen complex from oxygenation of Co(I). 

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Studies of the simple electron transfer properties of coordinated dioxygen are in a preliminary stage. The definition of reactivity patterns is obscured by inconsistencies and the lack of key pieces of information, as indicated by the comments above. Nevertheless, there is hope that some general features will emerge ... 

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