由 N3O 供体希夫碱配体衍生的 $$\mathbf{Ni(NCS)}_{math\bf{6}}^{mathbf{4}-}$ 桥式同金属 Ni(II) 链的首次结构表征

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
B. Chowdhury, R. Nandy, N. C. Jana, P. Brandão, A. Panja
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引用次数: 0

摘要

摘要硫氰酸盐桥同金属镍(II)链因其可调的磁性能而在分子磁学和自旋电子学等领域具有潜在的应用价值。这些链的磁性能尤其引人关注,并能产生有趣的磁性行为,如反铁磁性或铁磁性相互作用。在此背景下,我们成功合成了一种(text{Ni(NCS)}_{text{6}}^{text{4}-}\)桥镍(II)链配合物[Ni2(H2L)2(μ1,3-NCS)2(NCS)4]n∙2nCH3CN (1),它由四价 N3O 供体席夫碱配体 (HL) 衍生而来。我们通过元素分析和红外光谱对其进行了全面的表征。单晶 X 射线晶体学证实了链状复合物的几何形状。Ni1 和 Ni2 中心都呈现六配位,八面体几何结构略有扭曲,它们的配位环境也有很大不同(Ni1 为 NiN2O2S2,Ni2 为 NiN6)。在复合物的固态结构中,可以观察到一个值得注意的二维氢键网络。本复合物是单一硫氰酸根桥接镍(II)链领域的一个独特实例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The First Structural Characterization of a \(\mathbf{Ni(NCS)}_{\mathbf{6}}^{\mathbf{4}-}\) Bridged Homometallic Ni(II) Chain Derived from an N3O Donor Schiff Base Ligand

The First Structural Characterization of a \(\mathbf{Ni(NCS)}_{\mathbf{6}}^{\mathbf{4}-}\) Bridged Homometallic Ni(II) Chain Derived from an N3O Donor Schiff Base Ligand

The First Structural Characterization of a \(\mathbf{Ni(NCS)}_{\mathbf{6}}^{\mathbf{4}-}\) Bridged Homometallic Ni(II) Chain Derived from an N3O Donor Schiff Base Ligand

Thiocyanate bridged homometallic Ni(II) chains have potential applications in areas such as molecular magnetism and spintronics due to their tunable magnetic properties. The magnetic properties of these chains are of particular interest and can lead to intriguing magnetic behaviors, such as antiferromagnetic or ferromagnetic interactions. In this context, we have successfully synthesized a \(\text{Ni(NCS)}_{\text{6}}^{\text{4}-}\) bridge Ni(II) chain complex [Ni2(H2L)2(μ1,3-NCS)2(NCS)4]n∙2nCH3CN (1), derived from a tetradentate N3O donor Schiff base ligand (HL). It has been thoroughly characterized by the help of elemental analysis and IR spectroscopy. Single crystal X-ray crystallography has confirmed the geometry of the chain complexes. Both Ni1 and Ni2 centers exhibit hexa-coordination with slightly distorted octahedral geometries, and their coordination environments differ significantly (NiN2O2S2 for Ni1 and NiN6 for Ni2). Within the solid-state structure of the complex, a noteworthy two-dimensional network of hydrogen bonding is observed. The present complex showing a unique example in the realm of single thiocyanato-bridged Ni(II) chains.

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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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