Hydrothermal chemistry of oligomeric vanadium oxyfluorides

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

doi:10.1039/b702146a

Hydrothermal chemistry of oligomeric vanadium oxyfluorides

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

Research output: Contribution to journal › Article › peer-review

48 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 language	English
Pages (from-to)	2271-2282
Number of pages	12
Journal	Dalton Transactions
Issue number	22
DOIs	https://doi.org/10.1039/b702146a
Publication status	Published - 2007

Keywords

CRYSTAL-STRUCTURE
OCTAHEDRA

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10.1039/b702146a

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AU - Stephens, Nicholas F.

AU - Lightfoot, Philip

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AB - 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.

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KW - OCTAHEDRA

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SP - 2271

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JO - Dalton Transactions

JF - Dalton Transactions

IS - 22

ER -

Hydrothermal chemistry of oligomeric vanadium oxyfluorides

Abstract

Keywords

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