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Abstract <p>The following homo- and mixed-anionic Eu(III) complexes with anions of benzoic (bz) and pentafluorobenzoic (pfb) acids and quinoline (quin) or phenanthridine (phtd) molecules are studied: (Hphtd)<sub>2</sub>[Eu<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>(pfb)<sub>8</sub>] (<b>1</b>), [Eu(EtOH)(pfb)<sub>2</sub>(bz)]<sub><i>n</i></sub>·<i>n</i>(phtd) (<b>2</b>), [Eu(MeOH)(pfb)<sub>3</sub>]<sub><i>n</i></sub>·<i>n</i>(quin) (<b>3</b>), [Eu<sub>2</sub> (H<sub>2</sub>O)<sub>8</sub>(pfb)<sub>6</sub>]·6(quin)·2(H<sub>2</sub>O) (<b>4</b>), and [Eu(H<sub>2</sub>O)<sub>2</sub>(bz)<sub>3</sub>]<sub><i>n</i></sub>··1.5<i>n</i>(quin)·<i>n</i>(MeCN) (<b>5</b>). The influence of various factors on the composition and structure of new compounds is revealed by varying the ratios of reactants and synthesis and crystallization conditions. The complexes are characterized by XRD, IR spectroscopy, and CHN analysis. The structure and crystal packing of the complexes is studied in detail. The crystal packaging is mainly stabilized by π⋯π, C–H⋯F, and C–F⋯π interactions.</p>

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Influence of Synthesis and Crystallization Conditions on the Structure of Homo- and Mixed-Anionic Benzoate and Pentafluorobenzoate Eu(III) Complexes with Quinoline and Phenanthridine Molecules

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • M. A. Shmelev,
  • A. E. Bolot′ko,
  • A. S. Chistyakov,
  • L. M. Efromeev,
  • G. A. Razgonyaeva,
  • A. A. Levina,
  • A. A. Sidorov,
  • I. L. Eremenko

摘要

Abstract

The following homo- and mixed-anionic Eu(III) complexes with anions of benzoic (bz) and pentafluorobenzoic (pfb) acids and quinoline (quin) or phenanthridine (phtd) molecules are studied: (Hphtd)2[Eu2(H2O)2(pfb)8] (1), [Eu(EtOH)(pfb)2(bz)]n·n(phtd) (2), [Eu(MeOH)(pfb)3]n·n(quin) (3), [Eu2 (H2O)8(pfb)6]·6(quin)·2(H2O) (4), and [Eu(H2O)2(bz)3]n··1.5n(quin)·n(MeCN) (5). The influence of various factors on the composition and structure of new compounds is revealed by varying the ratios of reactants and synthesis and crystallization conditions. The complexes are characterized by XRD, IR spectroscopy, and CHN analysis. The structure and crystal packing of the complexes is studied in detail. The crystal packaging is mainly stabilized by π⋯π, C–H⋯F, and C–F⋯π interactions.