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Four coordination polymers based on 4'-(4-carboxyphenyl)−2,2':6',2''-terpyridine: syntheses, structures and properties
Journal of Solid State Chemistry ( IF 3.2 ) Pub Date : 2018-09-15 , DOI: 10.1016/j.jssc.2018.09.019
Xue-Fei Li , Xiao Wang , Ying-Ying Wu , Xiao-Wei Zhao , Hai-Yan Li , Ya-Min Li

Four coordination polymers, [CuCl(cptpy)∙2H2O]n(1), [Mn2Cl2(cptpy)2(phdat)H2O]n(2) and [Ln(cptpy)3]n (Ln = La (3), Pr (4)) (Hcptpy = 4'-(4-carboxyphenyl)−2,2':6',2''-terpyridine, phdat = 2,4-diamino-6-phenyl-triazine) have been hydrothermally synthesized and characterized by IR spectra, X-ray single-crystal diffraction, powder X-ray diffraction (PXRD), elemental analyses and thermogravimetric analyses (TGA). Compounds 1, 3 and 4 exhibit 2D or 3D structures comprising 1D linear chain connected by π…π stacking interactions. While, compound 2 contains two kinds of 1D chains, of which one is a linear chain and the other is a ladder chain, and further extends to 3D structure by π…π stacking and hydrogen bonding interactions. The electrochemical analysis shows that compound 1 has good catalytic activities for the reductions of both NaNO2 and H2O2, and is a potential catalytic material. Magnetic analysis indicates that compound 2 exhibits antiferromagnetic behavior.



中文翻译:

基于4'-(4-羧基苯基)-2,2':6',2''-三联吡啶的四种配位聚合物:合成,结构和性质

四种配位聚合物[CuCl(cptpy)∙2H 2 O] n (1),[Mn 2 Cl 2(cptpy)2(phdat)H 2 O] n (2)和[Ln(cptpy)3 ] n(Ln = La(3),Pr(4))(Hcptpy = 4'-(4-羧苯基)-2,2':6',2''-吡啶,phdat = 2,4-二氨基-6-苯基-三嗪已通过水热合成并通过红外光谱,X射线单晶衍射,粉末X射线衍射(PXRD),元素分析和热重分析(TGA)进行了表征。化合物134展示2D或3D结构,其中包含通过π…π堆积相互作用连接的1D线性链。同时,化合物2包含两种一维链,其中一种是直链,另一种是梯链,并通过π…π堆积和氢键相互作用进一步延伸到3D结构。电化学分析表明,化合物1具有用于还原NaNO 2和H 2 O 2的良好催化活性,并且是潜在的催化材料。磁分析表明化合物2表现出反铁磁行为。

更新日期:2018-09-17
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