Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Polyhedron called Syntheses, structures and luminescent properties of four copper(I) cyanide coordination polymers based on 2-(n-pyridyl)benzimidazole ligands (n = 2,3,4), Author is Wang, Hui; Li, Ming-Xing; Shao, Min; He, Xiang, which mentions a compound: 2208-59-5, SMILESS is C1(C2=CC=NC=C2)=NC3=CC=CC=C3N1, Molecular C12H9N3, Product Details of 2208-59-5.
Four copper(I) cyanide coordination polymers containing 2-(n-pyridyl)benzimidazole ligands, [Cu2(CN)(2-PyBIm)]n (1), [Cu2(CN)2(3-PyHBIm)]n (2), {[Cu3(CN)3(4-PyHBIm)4]·2H2O}n (3) and [Cu5(CN)3(4-PyBIm)2]n (4), were synthesized and characterized by x-ray crystallog. Complex 1 is a one-dimensional coordination polymer in which 2-(2-pyridyl)benzimidazole is deprotonated and adopts a bridging tridentate coordination mode. Complex 2 has ladder-like structure in which 2-(3-pyridyl)benzimidazole does not deprotonate and acts as a bidentate bridge. Complex 3 displays a saddle-shaped helical chain constructed through μ2-cyanide groups and the outstretched neutral 2-(4-pyridyl)benzimidazole monodentate ligands. Complex 4 shows a two-dimension layer polymeric structure in which deprotonated 2-(4-pyridyl)benzimidazole acts as a tridentate bridging ligand. The cyanide groups in four complexes all act as bidentate bridging ligands. These complexes are thermal stable and display luminescence in the solid states.
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Reference:
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