Ni-Na Coordination Polymer Bridged by Dicyanamide: Synthesis, Structures, Spectra and Thermal Stability

IF 0.4 4区化学 Q4 CRYSTALLOGRAPHY

Journal of Chemical Crystallography Pub Date : 2022-06-29 DOI:10.1007/s10870-022-00952-2

Shao-Liang Zhang, Bao-Wei Shen, Xiao-Dong Song, Yan-Lan Wang, Shan-Shan Li

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引用次数: 1

Abstract

One Ni(II)-Na(I) complex namely {[Ni^II-L-Na^I(dca)]₂}_n [H₂L = 1,2-ethanediylbis(2-iminomethylene-6-methoxy-phenol)] was synthesized under mild conditions at room temperature and characterized by elemental analysis, infrared spectroscopy, X-ray diffraction and thermogravimetric analysis. Single crystal X-ray diffraction analyses show that Ni(II) centers are in four-coordinate D_4h geometry and Na(I) centers are in a six-coordinate slightly distorted pentagonal pyramidal C_5v geometry in the complex. The basic structural components of the complex are the [Ni^II-L-Na^I] units, which are further connected by the dicyanamide through μ_1,5 mode between the Na centers to form 1D chain structures. Thermogravimetric analysis indicate that complex 1 shows good thermal stability.

Graphical Abstract

Abstract Image

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双氰酰胺桥接Ni-Na配位聚合物:合成、结构、光谱和热稳定性

在室温温和条件下合成了一种Ni(II)-Na(I)配合物{[NiII-L-NaI(dca)]2}n [H2L = 1,2-乙二基双(2-亚亚甲基-6-甲氧基苯酚)]，并用元素分析、红外光谱、x射线衍射和热重分析对其进行了表征。单晶x射线衍射分析表明，配合物中Ni(II)中心呈四坐标D4h几何形状，Na(I)中心呈六坐标微畸变的五边形锥体C5v几何形状。配合物的基本结构成分是[NiII-L-NaI]单元，它们在Na中心之间通过μ1,5模式被二氰酰胺进一步连接，形成一维链结构。热重分析表明，配合物1具有良好的热稳定性。图形抽象

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来源期刊

Journal of Chemical Crystallography 化学-光谱学

CiteScore

1.50

自引率

12.50%

发文量

审稿时长

6.3 months

期刊介绍： Journal of Chemical Crystallography is an international and interdisciplinary publication dedicated to the rapid dissemination of research results in the general areas of crystallography and spectroscopy. Timely research reports detail topics in crystal chemistry and physics and their relation to problems of molecular structure; structural studies of solids, liquids, gases, and solutions involving spectroscopic, spectrometric, X-ray, and electron and neutron diffraction; and theoretical studies.