Alkyl pyridinium iodocyanocuprate(i) chains (RPy)[CuI(CN)]: insight into structural, electronic and spectroscopic properties.

Equimolar mixtures of copper(i) iodide (CuI) and copper(i) cyanide (CuCN) react with N-alkyl pyridinium iodides (RPy+I-, R = Me, Et, n-propyl = Pr, and n-butyl = Bu) to produce pyridinium iodocyanocuprate(i) salts, (RPy)2[Cu2I3CN]. Crystal structures reveal isostructural anionic chains consisting of trigonal pyramidal Cu2(μ2-I)3 clusters bridged by C/N-disordered cyano units. The 1-D chains are nearly linear but vary with respect to whether adjacent clusters are staggered or eclipsed.

Alkyl Pyridinium Iodocuprate(I) Clusters: Structural Types and Charge Transfer Behavior.

The reaction of copper(I) iodide (CuI) and N-alkyl pyridinium (RPy, R = H, Me, Et, -propyl = Pr, -butyl = Bu, -pentyl = Pn, and -hexyl = Hx) or N-butyl-3-substituted pyridinium (N-Bu-3-PyX, X = I, Br, Cl, CN, and OMe) iodide salts yielded pyridinium iodocuprate(I) salts. Crystal structures of iodocuprate ions coupled with RPy include {CuI } (R = H), {CuI } (R = Me), {CuI } (R = Et), {CuI } (R = Pr), and {CuI } (R = Bu, Pn, Hx). The [N-Bu-3-PyX] ions were typically paired with the 1-D chain {CuI } .

Synthesis and Luminescence of Optical Memory Active Tetramethylammonium Cyanocuprate(I) 3D Networks.

The structures of three tetramethylammonium cyanocuprate(I) 3D networks [NMe][Cu(CN)]•0.25HO (), [NMe][Cu(CN)] (), and [NMe][Cu(CN)] (), (MeN = tetramethylammonium), and the photophysics of and are reported. These complexes are prepared by combining aqueous solutions of the simple salts tetramethylammonium chloride and potassium dicyanocuprate.