Influence of the Synthesis and Crystallization Conditions on the Compositions and Structures of Mixed-Carboxylate Europium(III) Benzoate‒Pentafluorobenzoate Complexes

IF 1.1 3区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Russian Journal of Coordination Chemistry Pub Date : 2025-09-19 DOI:10.1134/S1070328425600214

M. A. Shmelev, D. S. Lebedev, A. S. Chistyakov, Yu. K. Voronina, L. M. Efromeev, A. V. Rogachev, A. A. Sidorov, I. L. Eremenko

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Abstract

The influence of the nature of solvate molecules and N-donor ligands on the structure of the europium benzoate‒pentafluorobenzoate complexes is studied. The reactions of europium benzoate (Bz) and pentafluorobenzoate (Pfb) with 1,10-phenanthroline (Phen) in acetonitrile with toluene, o-xylene, or dichloromethane afford compounds of similar structures: [Eu₂(Phen)₂(Pfb)₄(Bz)₂]·4C₆H₅CH₃ (I), [Eu₂(Phen)₂(Pfb)₄(Bz)₂]·4С₆Н₄(CH₃)₂ (II), and [Eu₂(Phen)₂(Pfb)₄(Bz)₂]·2.898CH₂Cl₂ (III), respectively. The use of quinoline (Quin) allows one to isolate crystals of mixed-carboxylate coordination polymer [Eu(H₂O)(Pfb)₂(Bz)]_n·2n(Quin) (IV). The synthesized compounds are characterized by X-ray diffraction (XRD), IR spectroscopy, and CHN analysis. Noncovalent interactions are analyzed using Hirshfeld surface analysis.

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合成和结晶条件对混合羧酸型苯甲酸铕-五氟苯甲酸配合物组成和结构的影响

研究了溶剂分子性质和n给体对苯甲酸铕-五氟苯甲酸配合物结构的影响。苯甲酸铕（Bz）和五氟苯甲酸酯（Pfb）与1,10-菲罗啉（Phen）在乙腈中与甲苯、邻二甲苯或二氯甲烷反应得到结构相似的化合物：[Eu2(Phen)2(Pfb)4(Bz)2]·4C6H5CH3 (I), [Eu2(Phen)2(Pfb)4(Bz)2]·4С6Н4(CH3)2 （II）和[Eu2(Phen)2(Pfb)4(Bz)2]·2.898CH2Cl2 （III）。使用喹啉（Quin）可以分离出混合羧酸配位聚合物[Eu(H2O)(Pfb)2(Bz)]n·2n(Quin) （IV）的晶体。通过x射线衍射（XRD）、红外光谱（IR）和CHN分析对合成的化合物进行了表征。非共价相互作用的分析采用赫希菲尔德表面分析。

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来源期刊

Russian Journal of Coordination Chemistry 化学-无机化学与核化学

CiteScore

2.40

自引率

15.80%

发文量

审稿时长

7.2 months

期刊介绍： Russian Journal of Coordination Chemistry is a journal that publishes reviews, original papers, and short communications on all aspects of theoretical and experimental coordination chemistry. Modern coordination chemistry is an interdisciplinary science that makes a bridge between inorganic, organic, physical, analytical, and biological chemistry.