Abstract
Two new 1-D coordination polymers [M II (3-Bzpy)2(N(CN)2)2] (M = Cd (1), Cu (2), 3-Bzpy = 3-benzoylpyridine) have been synthesized and structurally characterized by single-crystal X-ray diffraction and IR. Single-crystal X-ray diffraction reveals that the complexes 1 and 2 are isostructural and all crystallize in monoclinic P21/c space group with cell dimensions: a = 6.3889(16) A, b = 7.6496(12) A, c = 26.767(6) A, β = 99.131(19)°, V = 1291.6(5) A3, Z = 2 for 1 and a = 6.4483(9) A, b = 7.5449(10) A, c = 25.965(4) A, β = 98.559(10)°, V = 1249.2(3) A3, Z = 2 for 2. Structure analysis manifest that 1 and 2 are all 1-D chains structures which parallel to the crystallographic b axis through end-to-end coordination by bidentate bridging dicyanamide ligands. Magnetic property of complex 2 was further investigated. The paper is about synthesis, crystal structure and magnetic property of two new 1-D coordination polymers. Perspective view down the a-axis of complex 1 with thermal ellipsoids drawn at the 50% probability level .
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