Citation:
QIN Ye-Yan, ZHANG Xin, SHEN Yi-Cheng, YAO Yuan-Gen. A Novel Luminescent Zinc(II) Coordination Polymer with 2D→3D Polythreaded Motif[J]. Chinese Journal of Structural Chemistry,
;2015, 34(9): 1399-1404.
doi:
10.14102/j.cnki.0254-5861.2011-0687
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A new zinc(II) compound, [Zn(BTA)(UCA)]n (1, HBTA=1,2,3-benzotriazole, HUCA=4-imidazoleacrylic acid), has been synthesized via the hydrothermal reactions of Zn(OAC)2·2H2O, HBTA and HUCA. The crystal structure is of monoclinic, space group P21/c with a=7.450(3), b=18.911(8), c=9.198(4) Å, β=94.317(8)°, V=1292.2(9) Å3, C12H9N5O2Zn, Mr=320.63, Z=4, Dc=1.648 g/cm3, F(000)=648, μ=1.909 mm-1, R=0.0255 and wR=0.0655 for 2104 observed reflections (I>2σ(I)). Single-crystal X-ray diffraction analysis revealed that compound 1 features a two-dimensional (2D) layered framework based on benzotriazole controlled dinuclear [Zn2(BTA)2] subunits. Furthermore, these 2D layers are threaded into a 3D supramolecular framework via the direction of intermolecular hydrogen bonds and π···π interactions. In addition, the thermal stability and fluorescence property of compound 1 were also investigated.
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Keywords:
- zinc(II) compound,
- hydrothermal reaction,
- 2D layer,
- luminescence
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