Abstract
The compound [Gd2(PZDA)3(H2O)]n (I), where H2PZDA = 2,3-pyrazinedicarboxylic acid, was synthesized under hydrothermal conditions and characterized by elemental analysis, infrared spectrometry, thermogravimetric analysis and single crystal X-ray diffraction (CIF file CCDC no. 848802). In I, Gd(III) centers adopt eight-coordinated and nine-coordinated modes to construct distorted triangular dodecahedral and tricapped trigonal prism configurations, respectively. Three-dimensional (3D) structure of the compound is formed through C-H⋯π interactions and π-π stacking. Measurement of the luminescent property at room temperature shows that the as-synthesized compound presents good selectivity towards Pb2+ ion, suggesting that it may be promising potential as selective luminescent probes of Pb2+ ion.
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