Ligand-Controlled Syntheses of Copper(I) Complexes with Metal–Metal Interactions: Crystal Structure and Relativistic Density Functional Theory Investigation

A family of di-, tri-, and tetranuclear copper(I) complexes supported by length-controlled silaamidinate ligands have been synthesized to show short CuI–CuI distances (2.43–2.62 Å) and feature a linear or bent metal–metal arrangement, which is elucidated by a relativistic density functional theory calculation.