Hydrothermal chemistry of oligomeric vanadium oxyfluorides

David W. Aldous, Nicholas F. Stephens, Philip Lightfoot

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)

Abstract

Nine new vanadium oxyfluorides, containing ten different oligomeric vanadium (oxy)fluoride anions have been prepared by solvothermal synthesis in water-ethylene glycol and using organic cations as co-crystallising agents. Crystal structures are reported for each. Amongst the ten structure types, five represent previously unobserved moieties, including one monomeric unit (cis-[VOF4(H2O)](2-)), two dimers ([V2O2F6(H2O)(2)](2-) and [V2O2F8](4-)) and two tetramers (both isomers of composition [V4O4F14](6-)). Structural relationships between the various units are discussed, together with some rationalisation of their occurrence as a function of synthetic variables.

Original languageEnglish
Pages (from-to)2271-2282
Number of pages12
JournalDalton Transactions
Issue number22
DOIs
Publication statusPublished - 2007

Keywords

  • CRYSTAL-STRUCTURE
  • OCTAHEDRA

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