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Abstract <p>The reactions of a solution of Sb<sub>2</sub>O<sub>3</sub> in HBr, Br<sub>2</sub>, and 1,1'-(propane-1,3-diyl)bis(3-halogenpyridinium) bromides (halogen = Cl (<b>I</b>), Br (<b>II</b>)) afford bromoantimonates(V) Cat{[SbBr<sub>6</sub>](Br<sub>3</sub>)}, whose structures are determined by single-crystal X-Ray diffraction (SCXRD). Tribromide and hexabromoantimonate anions form supramolecular one-dimensional polymers due to the formation of a halogen bond between them, and the cations are also involved in halogen bond formation. The energies of the halogen bonds are estimated by quantum-chemical calculations.</p>

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Halogen Bond in Supramolecular Associates of Antimony(V) Bromide Complexes with Tribromide Anion and Halogen-Containing Pyridinium Cations

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • I. A. Shentseva,
  • A. N. Usol’tsev,
  • N. A. Korobeinikov,
  • I. V. Korol’kov,
  • D. A. Ulybin,
  • A. S. Novikov,
  • S. A. Adonin

摘要

Abstract

The reactions of a solution of Sb2O3 in HBr, Br2, and 1,1'-(propane-1,3-diyl)bis(3-halogenpyridinium) bromides (halogen = Cl (I), Br (II)) afford bromoantimonates(V) Cat{[SbBr6](Br3)}, whose structures are determined by single-crystal X-Ray diffraction (SCXRD). Tribromide and hexabromoantimonate anions form supramolecular one-dimensional polymers due to the formation of a halogen bond between them, and the cations are also involved in halogen bond formation. The energies of the halogen bonds are estimated by quantum-chemical calculations.