Stabilization of [WF5]+ by bidentate N-donor ligands

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dc.contributor.authorTurnbull, Douglas
dc.contributor.authorWetmore, Stacey D.
dc.contributor.authorGerken, Michael
dc.date.accessioned2021-07-14T15:50:56Z
dc.date.available2021-07-14T15:50:56Z
dc.date.issued2019
dc.descriptionAccepted author manuscripten_US
dc.description.abstractTransition-metal hexafluorides do not exhibit fluoride-ion donor properties in the absence of donor ligands. We report the first synthesis of donor-stabilized [MF5]+ derived from a transition-metal hexafluoride via fluoride-ion abstraction using WF6(L) (L=2,2′-bipy, 1,10-phen) and SbF5(OSO) in SO2. The [WF5(L)][Sb2F11] salts and [WF5(1,10-phen)][SbF6]⋅SO2 have been characterized by X-ray crystallography, Raman spectroscopy, and multinuclear NMR spectroscopy. The reaction of WF6(2,2′-bipy) with an equimolar amount of SbF5(OSO) reveals an equilibrium between [WF5(2,2′-bipy)]+ and the [WF4(2,2′-bipy)2]2+ dication, as determined by 19F NMR spectroscopy. The geometries of the cations in the solid state are reproduced by gas-phase geometry optimizations (DFT-B3LYP), and NBO analyses reveal that the positive charges of the cations are stabilized primarily by compensatory σ-electron donation from the N-donor ligands.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationTurnbull, D. T., Wetmore, S. D., & Gerken, M. (2019). Stabilization of [WF5]+ by bidentate N-donor ligands. Angewandte Chemie International Edition, 58(37), 13035-13038. https://doi.org/10.1002/anie.201906600en_US
dc.identifier.urihttps://hdl.handle.net/10133/5957
dc.language.isoen_USen_US
dc.publisherWileyen_US
dc.publisher.departmentDepartment of Chemistry and Biochemistryen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.publisher.urlhttps://doi.org/10.1002/anie.201906600en_US
dc.subjectHeptacoordinate complexesen_US
dc.subjectDonor ligands
dc.subject.lcshCations
dc.subject.lcshFluorine
dc.subject.lcshLewis acids
dc.subject.lcshX-ray crystallography
dc.titleStabilization of [WF5]+ by bidentate N-donor ligandsen_US
dc.typeArticleen_US
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