Author： Liu Bo Fan Li-Jing Liu Ying-Ying Yang Jin Ma Jian-Fang
Publisher： Taylor & Francis Ltd
ISSN： 0095-8972
Source： Journal of Coordination Chemistry, Vol.64, Iss.3, 2011-02, pp. : 413-423
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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.
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