Structure and magnetism of a chiral Perovskite-like dicyanamidometallate framework

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-07-12 DOI:10.4314/bcse.v38i5.5

Da-Chuan Ge, Wen Zhu, Yu-Xuan Li, Feng Zhang, Yun Chen, Jian-Hua Sun, Zhao-Xi Wang

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Abstract

Perovskite-like compounds have attracted great attention because of their good properties, such as electrical, optical, and magnetic properties, etc. Herein, a new perovskite-like anionic dicyanamidometallate, namely (Bu3MeP)[Ni(dca)3] (1) (Bu3MeP = tributylmethylphosphine cation, dca = dicyanamide), was synthesized and structurally characterized by elemental analysis, IR spectrum, thermogravimetric analysis, and single-crystal X-ray diffraction. The compound crystallizes in the tetragonal crystal system with the chiral space group P43212, and exhibits a three-dimensional anionic dicyanamidometallate framework from Ni2+ units bridged by dicyanamides, in which tributylmethylphosphine cations are accommodated in the voids. The butyl groups present two conformations in the tributylmethylphosphine cation, resulting in chirality character occurred in compound 1. Variable-temperature magnetic susceptibility analysis indicates that weak ferromagnetic interaction exists between the nickel(II) ions coupling by μ1,5-bridings. KEY WORDS: Perovskite-like, Dicyanamidometallate, Crystal structure, Magnetic properties Bull. Chem. Soc. Ethiop. 2024, 38(5), 1251-1260. DOI: https://dx.doi.org/10.4314/bcse.v38i5.5

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手性 Perovskite 类双氰胺金属铝框架的结构和磁性

透辉石类化合物因其良好的特性，如电学、光学和磁学特性等，而备受关注。本文合成了一种新的类包晶阴离子双氰胺金属铝酸盐，即 (Bu3MeP)[Ni(dca)3] (1)（Bu3MeP = 三丁基甲基膦阳离子，dca = 双氰胺），并通过元素分析、红外光谱、热重分析和单晶 X 射线衍射对其结构进行了表征。该化合物在手性空间群 P43212 的四方晶系中结晶，呈现出由二氰酰胺桥接的 Ni2+ 单元组成的三维阴离子二氰酰胺金属框架，其中三丁基甲基膦阳离子被容纳在空隙中。变温磁感应分析表明，通过 μ1,5 桥接耦合的镍（II）离子之间存在微弱的铁磁相互作用。关键字：透辉石样双氰胺金属铝酸盐晶体结构磁性能 Bull.Chem.Soc.2024, 38(5), 1251-1260. DOI: https://dx.doi.org/10.4314/bcse.v38i5.5

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文献相关原料

公司名称

产品信息

阿拉丁

sodium dicyanamide

阿拉丁

Ni(NO3)2

阿拉丁

tributylmethylphosphine iodide

来源期刊

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.