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Synthesis, Structure and Luminescence Property of a New Two-dimensional Znic(II) Coordination Polymer
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DOI：10.14102/j.cnki.0254-5861.2011-2561.png)
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Abstract
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Based on 5-dimethylamino-isophthalic acid (H(2)dia) and 1,2-bis(4-pyridyl)ethylene (bpe) mixed linkers, a new d(10)-configuration Zn(II) coordination polymer material, [Zn(dia)(bpe)(H2O)] (n) (1), was synthesized. In the asymmetric unit, there are one Zn2+ ion, two dia(2-) anions, one neutral bpe linker and one free H2O molecule. In the complex, adjacent Zn2+ ions are alternately bridged by the dia(2-) dianions to generate chains which are further connected by flexible bpe ligands to form a two-dimensional (2D) layer structure. In topology, the structure of 1 represents a non-interpenetrating 4-connected sql topology. Moreover, infrared spectroscopy, elemental analyses, thermogravimetric analysis, powder X-ray diffraction, solid UV-Vis absorption spectra and photoluminescent property of 1 are also investigated.
Keywords:
Zn coordination polymer
crystal structure
5-dimethylamino-isophthalic acid
1,2-bis(4-pyridyl)ethylene
UV-Vis absorption spectra
luminescence property
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