Three new polymeric complexes [Cd(2-Acpy)(N3)2]n1, [Cd(4-Acpy)2(N3)2]n2 and [Cd3(4-Brpy)4(N3)6]n3 (2-Acpy = 2-acetylpyridine, 4-Acpy = 4-acetylpyridine, and 4-Brpy = 4-bromopyridine) have been synthesized and characterized by single crystal X-ray diffraction. The coordination environment of the cadmium atom in all the complexes is distorted octahedral with two-dimensional polynuclear layers. The cadmium atoms are linked by both μ-1,1 and μ-1,3 in 1, by only μ-1,3 in 2 and by μ-1,1 and μ-1,1,3 azide bridges in 3 giving different cadmium(II)–azide
topologies.
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