Topological structural diversification of zinc coordination polymers caused by the spacers of different dicarboxylates.

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Acta Crystallographica Section C Structural Chemistry Pub Date : 2025-06-01 Epub Date: 2025-05-27 DOI:10.1107/S2053229625004528

Junfeng Wang, Qimeng Liu, Dong Liu

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引用次数: 0

Abstract

As a new generation of multi-functional materials, crystalline coordination polymers have attracted widespread attention due to their fascinating framework structures, interesting topologies and potential applications. Two new coordination polymers, namely, poly[[μ₂-trans-1,2-bis(pyridin-3-yl)ethylene-κ²N:N']bis(μ₃-terephthalato-κ³O:O':O'')dizinc(II)], [Zn₂(C₈H₄O₄)₂(C₁₂H₁₀N₂)]_n or [Zn₂(tp)₂(3,3'-dpe)]_n, (I), and poly[diaqua[μ₂-trans-1,2-bis(pyridin-3-yl)-ethylene-κ²N:N']bis(μ₂-furan-2,5-dicarboxylate-κ²O:O')dizinc(II)], [Zn₂(C₆H₂O₅)₂(C₁₂H₁₀N₂)(H₂O)₂]_n or [Zn₂(fdc)₂(3,3'-dpe)(H₂O)₂]_n, (II), have been prepared by the hydrothermal reactions between Zn(NO₃)₂·6H₂O and trans-1,2-bis(pyridin-3-yl)ethylene (3,3'-dpe) with two similar dicarboxylic acids, i.e. terephthalic acid (H₂tp) and furan-2,5-dicarboxylic acid (H₂fdc), respectively. The coordination framework of (I) is a 3D pcu net with the point symbol 4¹²6³. The void space of the single framework in (I) is filled by the mutual interpenetration of two crystallographically equivalent networks, forming a threefold interpenetrating 3D architecture. Compound (II) is a 2D 3-connected coordination network parallel to the bc plane with the Schläfli symbol 6³. Neighbouring 2D coordination networks are further connected to each other via hydrogen-bonding interactions to produce a 3D supramolecular framework. The thermal stability and photoluminescence properties of these two coordination polymers have also been investigated.

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锌配位聚合物拓扑结构的多样化是由不同的二羧酸酯间隔引起的。

晶体配位聚合物作为新一代多功能材料，以其迷人的框架结构、有趣的拓扑结构和潜在的应用前景而受到广泛关注。两种新的配位聚合物，即聚[[μ2-反式-1,2-双（吡啶-3-基）乙烯-κ2N:N']双（μ3-对苯二甲酸-κ 30o:O':O‘）二锌（II）], [Zn2(C8H4O4)2(C12H10N2)] N或[Zn2(tp)2(3,3’-dpe)] N, (I)和聚[双水[μ2-反式-1,2-双（吡啶-3-基）-乙烯-κ2N:N']双（μ2-呋喃-2,5-二羧酸-κ2O:O‘）二锌（II）], [Zn2(C6H2O5)2(C12H10N2)(H2O)2] N或[Zn2(fdc)2(3,3’-dpe)(H2O)2] N, (II)，由Zn(NO3)2·6H2O和反式-1,2-二（吡啶-3-基）乙烯（3,3'-dpe）与两种相似的二羧酸，即对苯二甲酸（H2tp）和呋喃-2,5-二羧酸（H2fdc）水热反应制得。(1)的协调框架是一个点符号为41263的三维微机网。(1)中单个框架的空隙空间被两个晶体等效网络的相互互穿填充，形成三重互穿的三维结构。化合物（II）是平行于bc平面的二维3连通配位网络，符号为Schläfli 63。相邻的二维配位网络通过氢键相互作用进一步相互连接，从而产生三维超分子框架。研究了这两种配位聚合物的热稳定性和光致发光性能。

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来源期刊

Acta Crystallographica Section C Structural Chemistry CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

1.60

自引率

12.50%

发文量

148

期刊介绍： Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.