Synthesis, photophysics, electrochemistry, theoretical, and transient absorption studies of luminescent copper(I) and silver(I) diynyl complexes. X-ray crystal structures of [Cu 3(μ-dppm) 3(μ (3)-η(1)-C≡CC≡CPh)(2)]PF(6) and [Cu(3)(μ-dppm)(3)(μ(3)-η (1)-C≡CC≡CH)(2)]PF(6)

Abstract

A series of soluble trinuclear copper(I) and silver(I) complexes containing bicapped diynyl ligands, [M 3(μ-dppm) 3(μ 3-η 1-C≡CC≡CR) 2]PF 6 (M = Cu, R = Ph, C 6H 4-CH 3-p, C 6H 4-OCH 3-p, nC 6H 13, H; M = Ag, R = Ph, C 6H 4-OCH 3-p), has been synthesized and their electronic, photophysical, and electrochemical properties studied. The X-ray crystal structures of [Cu 3(μ-dppm) 3(μ 3-η 1-C≡CC≡CPh) 2]PF 6 and [Cu 3(μ-dppm) 3(μ 3-η 1-C≡ CC≡CH) 2]PF 6 have been determined.