W5Br12·BiBr3 Cluster Phases with Different Crystal Structures

IF 1.2 4区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR Journal of Structural Chemistry Pub Date : 2024-12-02 DOI:10.1134/S0022476624110155
M. A. Mikhaylov, T. S. Sukhikh, T. Ya. Guselnikova, A. R. Tsygankova, E. E. Kleiman, M. N. Sokolov
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Abstract

A mixture of two structurally different cluster phases I and II with the general chemical formula W5Br12·BiBr3 is obtained as a product of the WBr6 reduction reaction with elemental bismuth at 280 °C. The elemental composition of the mixture is determined by the energy-dispersive X-ray spectroscopy and inductively coupled plasma atomic emission spectrometry. For the single crystals selected from a mixture of phases I and II their crystal structures are determined, and the powder X-ray diffraction analysis is performed for the polycrystalline mixture. In the crystal structure of I, square-pyramidal cluster fragments are bridged by bromine atoms into infinite chains by the W–Bra–a–W interaction. In the structure of II, BiBr3 (W–{BraBiBrBra}–W) molecules incorporate into the chain instead of the bridging bromine atom.

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不同晶体结构的W5Br12·BiBr3簇相
WBr6与单质铋在280℃下进行还原反应,得到两种结构不同的簇相I和簇相II的混合物,化学式为W5Br12·BiBr3。混合物的元素组成由能量色散x射线光谱和电感耦合等离子体原子发射光谱测定。对从I相和II相混合物中选择的单晶进行了晶体结构测定,并对多晶混合物进行了粉末x射线衍射分析。在I的晶体结构中,溴原子通过W-Bra-a-W相互作用桥接成无限链。在II的结构中,BiBr3 (W - {BraBiBrBra} - W)分子取代桥接溴原子结合到链中。
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来源期刊
Journal of Structural Chemistry
Journal of Structural Chemistry 化学-无机化学与核化学
CiteScore
1.60
自引率
12.50%
发文量
142
审稿时长
8.3 months
期刊介绍: Journal is an interdisciplinary publication covering all aspects of structural chemistry, including the theory of molecular structure and chemical bond; the use of physical methods to study the electronic and spatial structure of chemical species; structural features of liquids, solutions, surfaces, supramolecular systems, nano- and solid materials; and the crystal structure of solids.
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