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

10 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 2013

Fingerprint

Fluorides
Oxides
Anions
fluorides
Hydrogen bonds
Negative ions
Ligands
hydrogen bonds
anions
Vanadium
ligands
vanadium oxides
Cations
proximity
Magnetic properties
Positive ions
magnetic properties
valence
cations
orbitals

Keywords

  • Antiferromagnetism
  • Hydrothermal synthesis
  • Oxide-fluoride
  • Vanadates

ASJC Scopus subject areas

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

Cite this

The dimeric [V2O2F8]4- anion : Structural characterization of a magnetic basic-building-unit. / Lu, Hongcheng; Gautier, Romain; Li, Zuo Xi; Jie, Wanqi; Liu, Zhengtang; Poeppelmeier, Kenneth R.

In: Journal of Solid State Chemistry, Vol. 200, 04.2013, p. 105-109.

Research output: Contribution to journalArticle

Lu, Hongcheng ; Gautier, Romain ; Li, Zuo Xi ; Jie, Wanqi ; Liu, Zhengtang ; Poeppelmeier, Kenneth R. / The dimeric [V2O2F8]4- anion : Structural characterization of a magnetic basic-building-unit. In: Journal of Solid State Chemistry. 2013 ; Vol. 200. pp. 105-109.
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