A Mössbauer spectroscopic investigation of the iron sulphido-carbonyl clusters [Fe2(μ2-S)2(CO)6], [Fe3(μ3-S)2(CO)9] and the 1:1 adduct [Fe2(μ2-S)2(CO)6]·[Fe3(μ3-S)2(CO)9]
Review articleOpen access
Abstract:

AbstractThe 1:1 adduct ‘[Fe2(μ22-S)2(CO)6] [Fe3(μ3-S)2- (CO)9]’ (I) shows 57Fe Mössbauer parameters clearly different to those of the parent [Fe2(μ2-S)2- (CO)6] (II) and [Fe3(μ3-S)2(CO)9] (III) species. This indicates that the electronic environments of the iron atoms are significantly modified on adduct formation. The trinuclear complex (III) shows equivalent electronic environments for the iron atoms, although two iron atoms are crystallographically quite distinct from the third.

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