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Abstract
Three coordination polymers containing Cd(II) and Co(II), connected via 4-[(3-pyridyl)methylamino]benzoate (L−), have been synthesized in hydrothermal conditions. In [Cd(L)Cl] n (1), adjacent Cd(II) cations are linked by carboxylates to give a dinuclear cluster. Pairs of L− bridge the dinuclear cluster to form double helical chains, and these chains are further linked by Cl− to produce a 4-connected net with (42 · 63 · 8) topology. [CdL2] n (2) contains 1-D ladder-like chains. The packing structure displays a 3-D supramolecular structure, with π ··· π interactions stabilizing the framework. [CoL2] n (3) has a 2-D extended supramolecular structure via π ··· π interactions of 1-D coordination polymers of 3. The crystal structures of 1–3 have been determined by single-crystal X-ray diffraction. Luminescent properties for 1 and 2 are discussed.
Published Version
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