Abstract

The solvothermal reactions of N-allyl imidazole with Cu IX (X=Cl, Br) afford two unprecedented 3D copper(I)–olefin coordination polymer Cu 2X 2( N-allyl imidazole) (X=Cl for 1; Br for 2). This is the first 3D copper(I)–olefin coordination polymer synthesized in directed method, compared to most of olefin–Cu(I) coordination polymers prepared by electrochemical method. Of practical interest is that both of them contain 1D zigzag ladder chain composed of basic Cu 2X 2 dimer unit. Photoluminescent measurements show that 1 displays blue fluorescent emission while 2 has red fluorescent emission at room temperature.

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