The synthesis and crystal structure of the molecular complexes trans-[TiIVX4(OPPh3)2] (X = Cl, Br, I)

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Inorganica Chimica Acta Pub Date : 2024-09-05 DOI:10.1016/j.ica.2024.122356

N.R. Krupenko , P.A. Poltarak , S.B. Artemkina , E.D. Grayfer , K.A. Brylev

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Abstract

The series of titanium (IV) complexes trans-[TiCl₄(OPPh₃)₂] (1), trans-[TiBr₄(OPPh₃)₂] (2) and trans-[TiI₄(OPPh₃)₂] (3) were obtained as polycrystalline powders by heating the corresponding metal tetrahalides with triphenylphosphine oxide in evacuated sealed glass ampoules. The crystal structures were determined by single crystal X-ray diffraction. Compounds 1 and 2 were isolated as yellow and brown crystalline powders, with yields 70 and 75%, respectively. This paper discusses the synthesis of these coordination compounds 1–3 and their crystal structures, and analyzes the geometric parameters of the related molecular complexes of niobium and rhenium for use in the design of magnetically diluted systems.

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反式-[TiIVX4(OPPh3)2]（X = Cl、Br、I）分子络合物的合成与晶体结构

反式-[TiCl4(OPPh3)2](1)、反式-[TiBr4(OPPh3)2](2)和反式-[TiI4(OPPh3)2](3)系列钛（IV）配合物是通过在抽真空密封玻璃安瓿瓶中加热相应的金属四卤化物与三苯基膦氧化物而得到的多晶粉末。晶体结构通过单晶 X 射线衍射测定。化合物 1 和 2 以黄色和棕色结晶粉末的形式分离出来，产率分别为 70% 和 75%。本文讨论了这些配位化合物 1-3 的合成及其晶体结构，并分析了相关铌和铼分子配合物的几何参数，以用于磁稀释系统的设计。

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来源期刊

Inorganica Chimica Acta 化学-无机化学与核化学

CiteScore

6.00

自引率

3.60%

发文量

440

审稿时长

35 days

期刊介绍： Inorganica Chimica Acta is an established international forum for all aspects of advanced Inorganic Chemistry. Original papers of high scientific level and interest are published in the form of Articles and Reviews. Topics covered include: • chemistry of the main group elements and the d- and f-block metals, including the synthesis, characterization and reactivity of coordination, organometallic, biomimetic, supramolecular coordination compounds, including associated computational studies; • synthesis, physico-chemical properties, applications of molecule-based nano-scaled clusters and nanomaterials designed using the principles of coordination chemistry, as well as coordination polymers (CPs), metal-organic frameworks (MOFs), metal-organic polyhedra (MPOs); • reaction mechanisms and physico-chemical investigations computational studies of metalloenzymes and their models; • applications of inorganic compounds, metallodrugs and molecule-based materials. Papers composed primarily of structural reports will typically not be considered for publication.