The dimeric [V2O2F8]4- anion: Structural characterization of a magnetic basic-building-unit

Hongcheng Lu, Romain Gautier, Zuo Xi Li, Wanqi Jie, Zhengtang Liu, Kenneth R. Poeppelmeier

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

New materials built from the [V2O2F8] 4- anionic basic-building-unit (BBU) exhibit interesting magnetic properties owing to the proximity of the two d1 V(IV) cations and the orbital interactions of fluoride and oxide ligands. In our search to target such materials, the vanadium oxide-fluoride compound [dpaH2] 2[V2O2F8] in which a dimeric anion [V2O2F8]4- is isolated in a hydrogen bond network was hydrothermally synthesized (dpa=2,2′-dipyridylamine). This hydrogen bond network is able to stabilize the highly ionic species [V 2O2F8]4- as demonstrated with bond valence calculations. The coordination of the O2-/F- ordered ligands was investigated and antiferromagnetic coupling of the isolated BBU was measured.

Original languageEnglish
Pages (from-to)105-109
Number of pages5
JournalJournal of Solid State Chemistry
Volume200
DOIs
Publication statusPublished - Apr 1 2013

Keywords

  • Antiferromagnetism
  • Hydrothermal synthesis
  • Oxide-fluoride
  • Vanadates

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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