Abstract

A novel 3D coordination polymer, [Zn 5(hqc) 4(μ 3-OH) 2] n ( 1), has been prepared by hydrothermal reaction and characterized by elemental analyses, TGA, and single-crystal X-ray diffraction analysis. Compound 1 is built by hqc 2− ligands bridging pentanuclear Zn(II) SBUs, [Zn 5(μ 3-OH) 2], and there is coexistence of left-, and right-handed double helical chains in the 3D network. It represents the first pentanuclear Zn(II) coordination polymers with double helices constructed from quinoline-based carboxylic acid. In addition, the fluorescent property of compound 1 was also determined, which exhibits blue fluorescence at 441 nm in the solid-state upon excitation at 330 nm.

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