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Abstract <p>The complexes of SnCl<sub>4</sub> with diglyme and 15-crown-5 polyethers, namely [SnCl<sub>4</sub>(diglyme)] (<b>I</b>), [SnCl<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub>]<sub>3</sub>·2(15-crown-5) (<b>II</b>) and [SnCl<sub>4</sub>(15-crown-5)]<sub>2</sub>·Et<sub>2</sub>O (<b>III</b>), were obtained and characterized by single crystal X-ray diffraction (scXRD) analysis. The compounds <b>I</b> and <b>III</b> were additionally characterized by powder X-ray diffraction, thermal and elemental analyses. The crystal structures of <b>I</b> and <b>III</b> are composed of discrete [SnCl<sub>4</sub>(diglyme)] and [SnCl<sub>4</sub>(15-crown-5)] molecules, respectively. In these structures, the polyethers act as bidentate ligands, completing the octahedral environment of tin(IV). The crystal structure of <b>II</b> comprises the <i>cis</i>- and <i>trans</i>-SnCl<sub>4</sub>(H<sub>2</sub>O)<sub>2</sub> isomers, which form a hydrogen bonded network with 15-crown-5 molecules and chloride ligands through coordinated water molecules.</p>

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SnCl4 Complexation with Polyether Ligands: Crystal Structures of [SnCl4(diglyme)], [SnCl4(H2O)2]3·2(15-crown-5) and [SnCl4(15-crown-5)]2·Et2O

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • P. A. Egorov,
  • N. S. Mayorov,
  • A. A. Mikhaylov,
  • A. G. Medvedev,
  • P. V. Prikhodchenko

摘要

Abstract

The complexes of SnCl4 with diglyme and 15-crown-5 polyethers, namely [SnCl4(diglyme)] (I), [SnCl4(H2O)2]3·2(15-crown-5) (II) and [SnCl4(15-crown-5)]2·Et2O (III), were obtained and characterized by single crystal X-ray diffraction (scXRD) analysis. The compounds I and III were additionally characterized by powder X-ray diffraction, thermal and elemental analyses. The crystal structures of I and III are composed of discrete [SnCl4(diglyme)] and [SnCl4(15-crown-5)] molecules, respectively. In these structures, the polyethers act as bidentate ligands, completing the octahedral environment of tin(IV). The crystal structure of II comprises the cis- and trans-SnCl4(H2O)2 isomers, which form a hydrogen bonded network with 15-crown-5 molecules and chloride ligands through coordinated water molecules.