Bond Interaction in Sulfur Rings: Crystal and Molecular Structure of cyclo-Heptasulfur Oxide, S7O

Authors

  • Prof. Dr. Ralf Steudel,

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    1. Institut für Anorganische und Analytishe Chemie der Technischen Universität, Strasse des 17. Juni 135, D-1000 Berlin 12 (Germany)
    • Institut für Anorganische und Analytishe Chemie der Technischen Universität, Strasse des 17. Juni 135, D-1000 Berlin 12 (Germany)
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  • Dipl.-Chem. Richard Reinhardt,

    1. Institut für Kristallographie der Freien Universität, Takustrasse 6, D-1000 Berlin 33 (Germany)
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  • Dipl.-Chem. Torsten Sandow

    1. Institut für Anorganische und Analytishe Chemie der Technischen Universität, Strasse des 17. Juni 135, D-1000 Berlin 12 (Germany)
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  • Sulfur Compounds, Part 50.—Part 49: R. Steudel, R. Reinhardt, F. Schuster, Angew. Chem. 89, 756 (1977); Angew. Chem. Int. Ed. Engl. 16, 715 (1977).

Abstract

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Seven-membered sulfur rings have some remarkable properties. The δ modification of S7 contains bonds of widely differing length: this has never been observed before in an unsubstituted molecule. The oxide S7O is the first sulfur ring without SS single bonds.

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