Identification of the dysprosium(III) chloride solvate DyCl3(THF)3.5: Crystal structure of the ion pair [trans-DyCl2(THF)5] [trans-DyCl4(THF)2]

Gerald R. Willey, Paul R. Meehan, Timothy J. Woodman, Michael G.B. Drew

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27 Citations (SciVal)

Abstract

Treatment of DyCl3(H2O)6 with thionyl chloride in the presence of tetrahydrofuran provided colourless crystals of DyCl3(THF)3.5, subsequently identified as the ionic salt [trans-DyCl2(THF)5][trans-DyCl4(THF) 2] by an X-ray diffraction study. The dysprosium atom in the monocation is seven coordinate with the trans-DyCl2 unit [Dy-Cl, 2.624(5) Å] surrounded by five tetrahydrofuran molecules (Dy-O, mean 2.41 (2) Å) in a regular pentagonal bipyramidal geometry. For the anion the dysprosium atom is six coordinate with an octahedral geometry comprising four equatorial chlorine atoms (Dy-Cl, mean 2.642(5) Å) and two axial tetrahydrofuran molecules (Dy-O, 2.41(2) Å).

Original languageEnglish
Pages (from-to)623-627
Number of pages5
JournalPolyhedron
Volume16
Issue number4
DOIs
Publication statusPublished - 31 Dec 1997

Keywords

  • Adduct
  • Auto-ionisation
  • Dysprosium(III)
  • Structure
  • Tetrahydrofuran

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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