American Chemical Society
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A RhII−AuII Bimetallic Core with a Direct Metal−Metal Bond

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journal contribution
posted on 2007-04-02, 00:00 authored by Arthur J. Esswein, Jillian L. Dempsey, Daniel G. Nocera
The d8···d10 heterobimetallic RhIAuI(tfepma)2(CNtBu)2Cl2 (1) complex (tfepma = bis[bis(trifluoroethoxy)phosphino]methylamine) is oxidized by KAuIIICl4 to give the first structurally characterized d7−d9 RhII−AuII singly bonded metal complex [RhIIAuII(tfepma)2(CNtBu)2Cl3]+[AuICl2]- (2). Complex 2 undergoes a thermal intermetal redox reaction to generate fac-RhIII(tfepma)(CNtBu)Cl3 (3) and Au2I,I(tfepma)2Cl2 (4).