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Abstract <p>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, <i>o-</i>xylene, or dichloromethane afford compounds of similar structures: [Eu<sub>2</sub>(Phen)<sub>2</sub>(Pfb)<sub>4</sub>(Bz)<sub>2</sub>]·4C<sub>6</sub>H<sub>5</sub>CH<sub>3</sub> (<b>I</b>), [Eu<sub>2</sub>(Phen)<sub>2</sub>(Pfb)<sub>4</sub>(Bz)<sub>2</sub>]·4С<sub>6</sub>Н<sub>4</sub>(CH<sub>3</sub>)<sub>2</sub> (<b>II</b>), and [Eu<sub>2</sub>(Phen)<sub>2</sub>(Pfb)<sub>4</sub>(Bz)<sub>2</sub>]·2.898CH<sub>2</sub>Cl<sub>2</sub> (<b>III</b>), respectively. The use of quinoline (Quin) allows one to isolate crystals of mixed-carboxylate coordination polymer [Eu(H<sub>2</sub>O)(Pfb)<sub>2</sub>(Bz)]<sub><i>n</i></sub>·2<i>n</i>(Quin) (<b>IV</b>). The synthesized compounds are characterized by X-ray diffraction (XRD), IR spectroscopy, and CHN analysis. Noncovalent interactions are analyzed using Hirshfeld surface analysis.</p>

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

  • 期刊论文

  • 发表日期：

    2025年6月1日

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

摘要

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.