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Title: Synthesis, Bonding, and Reactivity of Vanadium(IV) Oxido-Fluorido Compounds with Neutral Chelate Ligands of the General Formula cis-[V<sup>IV</sup>(=O)(F)(L<inf>N-N</inf>)<inf>2</inf>]<sup>+</sup>
Authors: Passadis, Stamatis S. 
Tsiafoulis, Constantinos G. 
Drouza, Chryssoula 
Tsipis, Athanassios C. 
Miras, Haralampos N. 
Keramidas, Anastasios D. 
Kabanos, Themistoklis A A 
Keywords: Oxidation
General formula
Issue Date: 15-Feb-2016
Publisher: American Chemical Society
Source: Inorganic Chemistry, 15 February 2016, Volume 55, Issue 4, Pages 1364-1366
Abstract: Reaction of the oxidovanadium(IV)-LN-N species (LN-N is bipy = 2,2′-bipyridine or bipy-like molecules) with either BF4- or HF and/or KF results in the formation of compounds of the general formula cis-[VIV(=O)(F)(LN-N)2]+. Structural and spectroscopic (electron paramagnetic resonance) characterization shows that these compounds are in the tetravalent oxidation state containing a terminal fluorido ligand. Density functional theory calculations reveal that the VIV-F bond is mainly electrostatic, which is reinforced by reactivity studies that demonstrate the nucleophilicity of the fluoride ligand in a halogen exchange reaction and in fluorination of various organic substrates.
ISSN: 00201669
Rights: © 2016 American Chemical Society
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