Geminal Dicationic Ionothermal Synthesis of One Three-Dimensional Luminescent Strontium(II) Coordination Polymer Based on 1,4-Naphthalenedicarboxylate Acid |
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| Authors: | W J Zhu Z J Qin Y Bai D B Dang |
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| Institution: | 1.Henan Key Laboratory of Polyoxometalate Chemistry, Institute of Molecular and Crystal Engineering, College of Chemistry and Chemical Engineering,Henan University,Kaifeng,P.R. China |
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| Abstract: | One three-dimensional Sr(II) coordination polymer C6(MIm)2]Sr3(1,4-NDC)4] (I) (C6(MIm)2 = 1,3-bis(3-methylimidazolium-1-yl)hexyl, 1,4-H2NDC = 1,4-naphthalenedicarboxylate acid) has been synthesized using an ionothermal method and structurally characterized by IR spectroscopy, UV-Vis spectroscopy, XRPD, and X-ray single-crystal structure analysis (СIF file CCDC 1033958). Two types of strontium centers are bridged by two coordination modes of 1,4-H2NDC ligands to form a Sr(II) chain. Each Sr(II) chain is crossconnected to four other chains to generate a 3D coordination polymer, in which C6(MIm) 2 2+ cations as charge balancing species are filled in the channels of the anionic framework. The polymeric solid of I exhibits strong luminescent emission at room temperature. |
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