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An Uncommon Hexafluorosilicate Salt of the Bis(diethylamino)difluorosulfonium Cation Displaying Extensive Hydrogen Bonding

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Abstract

The title compound, [(C4H10NSF2)2][SiF6], was isolated as a decomposition product of diethylaminosulfur trifluoride. The structure consists of two monovalent (diethylamino)difluorosulfonium cations surrounding one divalent hexafluorosilicate anion. It crystallizes in the monoclinic space group C/2c with a = 13.7587(8) Å, b = 11.9160(7) Å, c = 11.6425(7) Å, β = 118.300(3)°, and V = 1680.63(17) Å3. The structure contains an extensive hydrogen-bonding network as well as intermolecular sulfur–fluoride interactions. The compound was further characterized by 1H-NMR and 19F-NMR.

Index Abstract

[Et2NSiF2]2[SiF6] was isolated and found to display an extensive weak hydrogen bonding network.

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Acknowledgments

The University of Nevada, Reno and the National Science Foundation (NSF-CHE0733458) are gratefully acknowledged for financial support of this work.

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  1. Department of Chemistry, University of Nevada, 1664 N. Virginia St., Reno, NV, 89557-0216, USA

    Patrick S. Barber & Ana de Bettencourt-Dias

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  1. Patrick S. Barber
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  2. Ana de Bettencourt-Dias
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Correspondence to Ana de Bettencourt-Dias.

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Barber, P.S., de Bettencourt-Dias, A. An Uncommon Hexafluorosilicate Salt of the Bis(diethylamino)difluorosulfonium Cation Displaying Extensive Hydrogen Bonding. J Chem Crystallogr 41, 902–907 (2011). https://doi.org/10.1007/s10870-011-0092-9

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