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CuBr2 complexes with 3,5-disubstituted pyridine ligands

Landee, C. P.; Dickie, D. A.; Turnbull, M. M. CuBr2 complexes with 3,5-disubstituted pyridine ligands. Acta Crystallographica E 2025, E81, 243-247.
doi: 10.1107/S2056989025001343

Abstract

Reaction of copper(II) bromide with 3,5-di­chloro­pyridine (3,5-Cl2py) or 3,5-di­methyl­pyridine (3,5-Me2py) led to the isolation of the coordination polymers catena-poly[[bis­(3,5-di­chloro­pyridine)­copper(II)]-di-μ-bromido], [CuBr2(C5H3Cl2N)2]n or [CuBr2(3,5-Cl2py)2]n (1), and catena-poly[[bis­(3,5-di­methyl­pyridine)­copper(II)]-di-μ-bromido], [CuBr2(C7H9N)2]n or [CuBr2(3,5-Me2py)2]n (2), respectively. The structures are characterized by bibromide-bridged chains [d(av.)Cu⋯Cu = 3.93 (9) Å]. In 1, the chains are linked perpendicular to the a axis by non-classical hydrogen bonds and halogen bonds, while in 2, only non-classical hydrogen bonds are observed.

Last updated on 03/03/2025