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The reactions of S3N3C13 with SbCIS and the reactions of S3N3F3 with AsF,, SbFS, and SO3 have been studied. The reaction of S3N3C13 with SbC1, in a 1:2 mole ratio gave (S4N4)(SbC16)2 as the major product in SO2, CH2C12, and S0C12 as solvents.With a 1:l mole ratio and CH2C12 as solvent the products were (SSNS)(SbCl6) and S4N4.SbCIs. This mixture reacted with additional SbCIS to give (S4N4)(SbC16)2. Both (SSNS)(SbCl6) and S4N4.SbCIs were characterized by X-ray crystallography. The geometry of the planar pentathiazyl cation SSN5+ is intermediate between the "azulene-like" and heart-shaped conformations found previously for other examples of this cation. This is attributed to disorder in part of the cation. The reactions of S3N3F3 with AsFS, SbF,, and SO3 in the mole ratios 1:6, 1:6, and 1:3 gave the thiazyl salts SN(AsF,), SN(Sb2F1,), and SN(S03F), respectively.

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Die Lewis‐Säuren PFS und PCl5 sind als Oxidationsmittel nicht stark genug, um bei der Umsetzung mit S4N4 eine kationische S‐N‐Spezies zu bilden; sie liefern statt dessen ein einfaches Addukt bzw. ein Gemisch von Chlorsulfanen und Chlorphosphazenen.