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Ionic liquids and deep eutectic mixtures as new solvents for the synthesis of vanadium fluorides and oxyfluorides

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Author(s)

Farida H. Aidoudi, Peter J. Byrne, Pheobe K. Allan, Simon J. Teat, Philip Lightfoot, Russell E. Morris

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Abstract

An exploratory study of the synthesis of vanadium (oxy)fluorides (VOFs) using ionic liquids (ILs) and deep eutectic mixtures (DESs) as a solvent yielded 10 different materials. The previously reported chain type: (NH4)(2)VF5 (1), (NH4)(2)VOF4 (2), NH4VO3 (3) and (H2NH2(CH2)(2)NH2)VF5 (9) have been successfully produced for the first time using ILs as the reaction media. The monomeric (HNH2CH3)(2)VOF4(H2O) (4), the dimer (HNH2CH3)(4)V2O2F8 (5) and the 1D chains (HNH2CH3)(2)VF5 (6), (H2O)(2)VF3 (7), alpha-(H2NH2(CH2)(2)NH2)VOF4 (8) and beta-(H2NH2(CH2)(2)NH2) VOF4 (10) are novel materials. Template control has also been achieved by the selective choice of ILs or the appropriate deep eutectic mixture, where the expected template is delivered to the reaction by the partial breakdown of the urea derivative portion of the DES.

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Original languageEnglish
Pages (from-to)4324-4331
Number of pages8
JournalDalton Transactions
Volume40
Issue number16
DOIs
Publication statusPublished - 2011

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