A Cu4S model for the nitrous oxide reductase active sites supported only by nitrogen ligands

To model the (His)7Cu4Sn (n = 1 or 2) active sites of nitrous oxide reductase, the first Cu4(μ4-S) cluster supported only by nitrogen donors has been prepared using amidinate supporting ligands. Structural, magnetic, spectroscopic, and computational characterization is reported. Electrochemical data...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2015-07, Vol.51 (59), p.11860-11863
Hauptverfasser:	Johnson, Brittany J, Antholine, William E, Lindeman, Sergey V, Mankad, Neal P
Format:	Artikel
Sprache:	eng
Schlagworte:	active sites Catalytic Domain chemical reactions Copper - chemistry Copper - metabolism Crystallography, X-Ray electrochemistry Ligands magnetism Models, Molecular Molecular Conformation nitrogen Nitrogen - chemistry Nitrogen - metabolism nitrous-oxide reductase Oxidoreductases - chemistry Oxidoreductases - metabolism spectroscopy sulfides Sulfides - chemistry Sulfides - metabolism
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Beschreibung
Zusammenfassung:	To model the (His)7Cu4Sn (n = 1 or 2) active sites of nitrous oxide reductase, the first Cu4(μ4-S) cluster supported only by nitrogen donors has been prepared using amidinate supporting ligands. Structural, magnetic, spectroscopic, and computational characterization is reported. Electrochemical data indicates that the 2-hole model complex can be reduced reversibly to the 1-hole state and irreversibly to the fully reduced state.
ISSN:	1364-548X 1359-7345 1364-548X
DOI:	10.1039/c5cc04675k