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Donor-Stabilised [SbF4]+: SbF5 as a Fluoride-Ion Donor
Chemistry - A European Journal ( IF 3.9 ) Pub Date : 2021-09-24 , DOI: 10.1002/chem.202103221
Felix O'Donnell 1 , Douglas Turnbull 1 , Stacey D Wetmore 1 , Michael Gerken 1
Affiliation  

The ability of the strong Lewis acid SbF5 to act as a fluoride-ion donor has been demonstrated for the first time through the synthesis of donor-stabilised [SbF4]+ cations. In the presence of bidentate N-donor ligands, SbF5 undergoes ligand-induced autoionisation to yield robust [SbF4(L−L)]+ (L−L=2,2’bipyridine or 1,10-phenanthroline) salts. DFT calculations and NBO analyses show strong Sb−N interactions that are necessary to stabilise the [SbF4]+ cation.
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中文翻译:

供体稳定的 [SbF4]+:SbF5 作为氟离子供体

通过合成供体稳定的 [SbF 4 ] +阳离子,首次证明了强路易斯酸 SbF 5作为氟离子供体的能力。在双齿 N 供体配体存在下,SbF 5经历配体诱导的自电离以产生稳定的 [SbF 4 (L-L)] + (L-L=2,2'联吡啶或 1,10-菲咯啉) 盐。DFT 计算和 NBO 分析显示了稳定 [SbF 4 ] +阳离子所必需的强 Sb-N 相互作用。
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更新日期:2021-11-30
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