Ruthenium(III) complexes with [(Me3tacn)Ru] units stabilized by monodentate thiourea-containing sulfur ligands (Me3tacn = 1,4,7-trimethyl-1,4,7-triazacyclononane)

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Inorganica Chimica Acta Pub Date : 2025-03-18 DOI:10.1016/j.ica.2025.122658

Tian-Tian Sun, Yang Gao, Zhi-Cui Zhang, Ai-Quan Jia, Qian-Feng Zhang

引用次数: 0

Abstract

Four mononuclear ruthenium(III) thiourea complexes [(Me₃tacn)Ru(SCN₂H₄)Cl₂]PF₆ (1), [{(Me₃tacn)Ru(SCN₂H₄)Cl₂}{(Me₃tacn)Ru(SCN₂H₄)₂Cl}]Cl(PF₆)₂ (2), [(Me₃tacn)Ru(SCN₂H₄)₂Cl](PF₆)₂ (3) and [(Me₃tacn)Ru(SC₂N₂H₆)₂Cl](PF₆)₂ (4) were synthesized by [(Me₃tacn)RuCl₃·H₂O] (Me₃tacn = 1,4,7-trimethyl-1,4,7- triazacyclononane) with different equivalents of thiourea and its derivative in the presence of KPF₆. Molecular structures of complexes 1, 2, 3·H₂O and 4 were established by single crystal X-ray diffraction analysis. The E_pc values of −0.896, −0.905, −0.911 and − 0.905 V, respectively, for complexes 1–4 are assigned for the Ru^III/^II redox couple. The hydrogen bonds (N − H…Cl) formed by chlorine atoms and thiourea N − H were presented in all complexes, which makes the space arrangement between ligands closer.

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含有[(Me3tacn)Ru]单元的钌（III）配合物被单齿含硫脲的硫配体稳定（Me3tacn = 1,4,7-三甲基-1,4,7-三氮杂环壬烷）

四种单核钌（III）硫脲配合物 [(Me3tacn)Ru(SCN2H4)Cl2]PF6 (1)、[{(Me3tacn)Ru(SCN2H4)Cl2}{(Me3tacn)Ru(SCN2H4)2Cl}]Cl(PF6)2 (2)、(Me3tacn)Ru(SCN2H4)2Cl](PF6)2(3)和[(Me3tacn)Ru(SC2N2H6)2Cl](PF6)2(4)是由[(Me3tacn)RuCl3-H2O]（Me3tacn = 1,4,7-三甲基-1,4,7-三氮杂环壬烷）与不同当量的硫脲及其衍生物在 KPF6 存在下合成的。通过单晶 X 射线衍射分析，确定了复合物 1、2、3-H2O 和 4 的分子结构。络合物 1-4 的 Epc 值分别为 -0.896 V、-0.905 V、-0.911 V 和 - 0.905 V，表示 RuIII/II 氧化还原对偶。氯原子和硫脲 N - H 形成的氢键（N - H...Cl）出现在所有配合物中，这使得配体之间的空间排列更加紧密。

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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.