Characterization of a complex comprising a {Cu2(S 2)2}2+ core: Bis(μ-S2 2-)dicopper(III) or bis(μ-S2.-)dicopper(II)?

John T. York; Eric C. Brown; William B Tolman

doi:10.1002/anie.200503134

Characterization of a complex comprising a {Cu₂(S ₂)₂}²⁺ core: Bis(μ-S₂ ^2-)dicopper(III) or bis(μ-S₂^.-)dicopper(II)?

John T. York, Eric C. Brown, William B Tolman

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

54 Scopus citations

Abstract

(Figure Presented) Cores for thought: Structural and spectroscopic studies show that the {Cu₂(S₂)₂}²⁺ core of [Cu₂(tmeda)₂(μ-S₂)₂]-(OTf) ₂ (tmeda = N,N,N′,N′-tetramethylethylenediamine; OTf=trifluoromethane-sulfonate) is best described as a bis(μ-disulfido( ^.1-))dicopper(II) complex rather than a bis(μ-disulfido(2-))- dicopper(III) complex. This complex represents a new motif in the copper-sulfur chemistry of biologically relevant, synthetic model systems.

Original language	English (US)
Pages (from-to)	7745-7748
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	44
Issue number	47
DOIs	https://doi.org/10.1002/anie.200503134
State	Published - Dec 2 2005

Keywords

Bioinorganic chemistry
Bridging ligands
Copper
N ligands
Sulfur

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abstract = "(Figure Presented) Cores for thought: Structural and spectroscopic studies show that the {Cu2(S2)2}2+ core of [Cu2(tmeda)2(μ-S2)2]-(OTf) 2 (tmeda = N,N,N′,N′-tetramethylethylenediamine; OTf=trifluoromethane-sulfonate) is best described as a bis(μ-disulfido( .1-))dicopper(II) complex rather than a bis(μ-disulfido(2-))- dicopper(III) complex. This complex represents a new motif in the copper-sulfur chemistry of biologically relevant, synthetic model systems.",

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AB - (Figure Presented) Cores for thought: Structural and spectroscopic studies show that the {Cu2(S2)2}2+ core of [Cu2(tmeda)2(μ-S2)2]-(OTf) 2 (tmeda = N,N,N′,N′-tetramethylethylenediamine; OTf=trifluoromethane-sulfonate) is best described as a bis(μ-disulfido( .1-))dicopper(II) complex rather than a bis(μ-disulfido(2-))- dicopper(III) complex. This complex represents a new motif in the copper-sulfur chemistry of biologically relevant, synthetic model systems.

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