Abstract
The coordination polymer {[Pb(cca)(phen)]H2O} n (H2cca = 2-carboxycinnamic acid and phen = 1,10-phenanthroline) was synthesized by hydrothermal reaction and structurally characterized by single-crystal X-ray diffraction. The complex possesses a 1-D chain structure composed of infinite Pb-cca-Pb linkages, in which the [PbO4N2] subunits are linked by bridging cca in bis(chelating-bridging) coordination mode. The coordination around the lead(II) is hemi-directed and weak Pb···O interactions are observed that result in a double-chain structure. The chains are combined to generate a 3-D supramolecular structure through interchain C–H···π, C–H···O, and π···π stacking interactions. Fluorescence of the complex originates from π*–π transitions of the ligand.
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