Synthesis, luminescence and electrochemistry of novel pentanuclear rhenium(I)–copper(I) mixed-metal acetylide complexes. X-Ray crystal structure of [Cu₃(µ-dppm)₃{µ₃-η¹-C[triple bond, length half m-dash]CC₆H₄C[triple bond, length half m-dash]C-p–Re(bpy)(CO)₃}₂]⁺

Abstract

A series of luminescent mixed-metal acetylide complexes [Cu₃(µ-LL)₃{µ₃-η¹-C[triple bond, length half m-dash]C–C₆H₂R₂-2,5–C[triple bond, length half m-dash]C-p–Re(NN)(CO)₃}₂]⁺, (LL = dppm, PrⁿPNP; NN = bpy, Bu^t₂bpy; R = H, Me) have been synthesized and their electrochemical properties studied; the X-ray crystal structure of [Cu₃(µ-dppm)₃{µ₃-η¹-C[triple bond, length half m-dash]C–C₆H₄C[triple bond, length half m-dash]C-p–Re(bpy)(CO)₃}₂]⁺ has also been determined.

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