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Cobalt(II) and zinc(II)-coordination polymers constructed from ether-linked tetracarboxylic acid and isomeric bis(imidazole) linkers: luminescence-based Fe(III) detection in aqueous media
CrystEngComm ( IF 2.6 ) Pub Date : 2020-07-24 , DOI: 10.1039/d0ce00732c
Mürsel Arıcı 1, 2, 3, 4, 5 , Yakup Can Dikilitaş 1, 2, 3, 4, 5 , Hakan Erer 1, 2, 3, 4, 5 , Okan Zafer Yeşilel 1, 2, 3, 4, 5
Affiliation  

Four Co(II) and Zn(II)-coordination polymers, formulated as {[Co24-L)(μ-mbix)2]·2H2O}n (1), {[Co24-L)(μ-pbix)2]·4H2O}n (2), {[Zn24-L)(μ-mbix)2]·2H2O}n (3) and {[Zn24-L)(μ-pbix)2]·4H2O}n (4) (H4L: (E)-5,5′-(but-2-ene-1,4-diylbis(oxy))diisophthalic acid, mbix: 1,3-bis((imidazol-1-yl)methyl)benzene and pbix: 1,4-bis((imidazol-1-yl)methyl)benzene), were synthesized and characterized by elemental analysis, IR spectroscopy and single crystal X-ray diffraction techniques. The single crystal X-ray diffraction analyses reveal that 1 and 3 display a 2D structure with a kgm topology with a point symbol of 32·62·72, while 2 and 4 exhibit 3D frameworks with a new topology with a point symbol of (86). The detection ability of 3 which showed high luminesce intensity towards Fe3+ ions was investigated and compound 3 exhibited sensitive and selective detection towards Fe3+ ions in the presence of other competing agents with a detection limit of 3.23 ppm. Moreover, the topological and thermal properties of the compounds were also studied.

中文翻译:

由醚连接的四羧酸和异构的双(咪唑)接头构成的钴(II)和锌(II)配位聚合物:在水性介质中基于发光的Fe(III)检测

四的Co(II)和Zn(II)-coordination聚合物,配制成{[CO 2(μ 4 -L)(μ-mbix)2 ]·2H 2 ö} Ñ1),{[CO 2(μ 4 -L)(μ-pbix)2 ]·4H 2 ö} ñ2),{[锌2(μ 4 -L)(μ-mbix)2 ]·2H 2 ö} ñ3)和{[锌2(μ 4 -L)(μ-pbix)2 ]·4H 2 ö} ñ4)(H 4 L:(E)-5,5'-(丁-2-烯-1,4-二基双(氧基))二间苯二甲酸,mbix:1,3-双((咪唑-1-基)合成了甲基)苯和pbix:1,4-双((咪唑-1-基)甲基)苯),并通过元素分析,红外光谱和单晶X射线衍射技术进行了表征。单晶X射线衍射分析显示13显示具有kgm拓扑的2D结构,其点符号为3 2 ·6 2 ·7 2,而24显示具有新拓扑的3D框架,其点符号为3之(8 6)。检测能力3这表明高发光的强度朝向的Fe 3+离子进行了研究和化合物3表现出敏感和选择性检测朝向的Fe 3+在其他竞争剂的存在下与3.23 ppm的检测极限的离子。此外,还研究了化合物的拓扑和热学性质。
更新日期:2020-09-14
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