一种新型二维配位聚合物中的自旋弯曲和弱铁磁性--Co(II)链由一个端对端叠氮化物桥接

IF 3.1 4区 化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR
Y. Kuo, Hsin-Kuan Liu, Chen-I Yang
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引用次数: 0

摘要

通过采用半柔性多 N 供体辅助配体,即 1,4-双(5-嘧啶基)苯(bpmb)和叠氮化物,成功合成了新型 Co(II) 二维配位聚合物,并对其进行了结构表征和磁性分析。由此产生的化合物{Co(N3)(bpmb)(H2O)2-H2O}n (1)呈现出独特的二维结构,由相互连接的 Co(II) 链和单个端对端 (EE) 叠氮化物桥接而成。这些链通过扭曲的反式-μ2-N,N′-bpmb 辅助配体进一步连接,形成网格状网络。此外,通过配位水和 bpmb 配体的 N 原子之间的氢键相互作用,各层以三维排列方式固定在一起。重要的是,磁性研究表明,化合物 1 显示出了归因于自旋悬臂的弱铁磁性,临界温度 (Tc) 为 12 K。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spin Canting and Weak Ferromagnetism in a New 2D Coordination Polymer with the Co(II) Chain Bridged by a Single End-to-End Azide
By employing semi-flexible multi-N donor auxiliary ligands, namely 1,4-bis(5-pyrimidyl)benzene (bpmb) in conjunction with azide, novel Co(II) 2D coordination polymers have been successfully synthesized and structurally characterized, along with magnetic analysis. The resulting compound, {Co(N3)(bpmb)(H2O)2·H2O}n (1), exhibits a unique 2D structure comprised of interconnected Co(II) chains bridged by single end-to-end (EE) azide moieties. These chains are further linked by twisted trans-μ2-N,N′-bpmb auxiliary ligands, forming a grid-like network. Additionally, the layers are held together in a 3D arrangement through hydrogen bonding interactions between the coordination water and the N atom of the bpmb ligands. Importantly, magnetic investigations reveal that compound 1 displays weak ferromagnetism attributed to spin canting, with a critical temperature (Tc) of 12 K.
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来源期刊
Inorganics
Inorganics Chemistry-Inorganic Chemistry
CiteScore
2.80
自引率
10.30%
发文量
193
审稿时长
6 weeks
期刊介绍: Inorganics is an open access journal that covers all aspects of inorganic chemistry research. Topics include but are not limited to: synthesis and characterization of inorganic compounds, complexes and materials structure and bonding in inorganic molecular and solid state compounds spectroscopic, magnetic, physical and chemical properties of inorganic compounds chemical reactivity, physical properties and applications of inorganic compounds and materials mechanisms of inorganic reactions organometallic compounds inorganic cluster chemistry heterogenous and homogeneous catalytic reactions promoted by inorganic compounds thermodynamics and kinetics of significant new and known inorganic compounds supramolecular systems and coordination polymers bio-inorganic chemistry and applications of inorganic compounds in biological systems and medicine environmental and sustainable energy applications of inorganic compounds and materials MD
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