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The Solid-State Structure of SF4: The Final Piece of the Puzzle

Authors

  • James T. Goettel,

    1. Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4 (Canada)
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  • Nathan Kostiuk,

    1. Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4 (Canada)
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  • Prof. Dr. Michael Gerken

    Corresponding author
    1. Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4 (Canada)
    • Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, AB T1K 3M4 (Canada)
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  • This work was funded by the Natural Sciences and Engineering Research Council of Canada (NSERC).

Abstract

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Solved at last: The crystal structure of solid SF4, which has a melting point of −121 °C, has been obtained. It exhibits weak intermolecular S⋅⋅⋅F interactions. A similar structural motif was observed within a layer of SF4 in [HNC5H3(CH3)2+]2F⋅⋅⋅SF4[SF5]⋅3 SF4. The latter structure contains a range of bonding modes between S and F, namely SF5, F4S⋅⋅⋅F, F4S⋅⋅⋅FSF4, and F4S⋅⋅⋅FSF3.

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