A Fully Delocalized Mixed‐Valence Bis‐μ(Thiolato) Dicopper Complex: A Structural and Functional Model of the Biological Cu_A Center

A {Cu2S2} diamond core has been stabilized thanks to the synthesis of a novel dinucleating ligand. The resulting dicopper complex has been isolated in the two formal oxidation states (see picture) that mimic most of the essential structural, spectroscopic, and functional properties of the CuA center. Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.