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Crystals 2018, 8(8), 312; https://doi.org/10.3390/cryst8080312

Effect of Charge on the Structures of Zn(II) Coordination Polymers with Triazole-carboxylate Ligands: Syntheses, Structures, and Luminescent Properties

College of Chemistry and Chemical Engineering, and Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, China
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Received: 10 July 2018 / Revised: 22 July 2018 / Accepted: 27 July 2018 / Published: 1 August 2018
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Abstract

Three new Zn(II) coordination polymers, {[Zn(L1)2(H2O)2]·4H2O}n (1), {[Zn(L2)(H2O)2]·0.5H2O}n (2), and {[Zn1.5(L1)(o-bdc)(H2O)]·0.5H2O}n (3) (HL1 = 3,5-di(1,2,4-triazol-1-yl)benzoic acid, H2L2 = 5-(triazol-1-yl)isophthalic acid, o-H2bdc = 1,2-benzenedicarboxylic acid), were successfully synthesized and characterized. Compound 1 exhibits 1D chain structure containing [Zn(L1)2] unit. Compound 2 shows a 2D plane with the ratio of Zn:L2 was 1:1 since L2 can match the positive charge of Zn(II). When L1 and o-bdc2– were presented together, Zn(II) centers are linked by L1 to form 2D double layers, then o-bdc2– further connected the adjacent layers to generate final 3D framework of 3. The ligand charges may play key roles in tuning the frameworks of compounds 13. The solid state luminescence of compounds 13 and all ligands have been investigated here. View Full-Text
Keywords: coordination polymer; bifunctional ligand; synthesis; crystal structure; luminescence coordination polymer; bifunctional ligand; synthesis; crystal structure; luminescence
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Miao, S.; Sun, X.; Wang, K.; Xu, C.; Li, Z.; Wang, Z. Effect of Charge on the Structures of Zn(II) Coordination Polymers with Triazole-carboxylate Ligands: Syntheses, Structures, and Luminescent Properties. Crystals 2018, 8, 312.

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