Structure and magnetism of a chiral Perovskite-like dicyanamidometallate framework

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Bulletin of the Chemical Society of Ethiopia 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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引用次数: 0

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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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.