Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 5 (May 2003)

Acta Cryst. (2003). C59, o277-o280 [doi:10.1107/S0108270103006851]

Two polymorphs of bis(2-bromophenyl) disulfide

J. R. Anacona, J. Gómez and D. Loroño

Abstract: Colourless crystals of the title compound, bis(2-bromophenyl) disulfide, C₁₂H₈Br₂S₂, are obtained from the reaction of 2-bromophenylmercaptan with metallic sodium and either zinc chloride or cadmium chloride in methanol. In the presence of Zn^II ions, the crystals are orthorhombic (space group Pbca, with Z' = 1); with Cd^II ions present, the product is triclinic (space group $P \overline1$ , with Z' = 4). Both polymorphs exhibit significant intramolecular C-HS hydrogen bonds. In the orthorhombic form, molecules are linked by intermolecular C-HBr hydrogen bonds, while in the triclinic form, molecules exhibit BrBr contacts.

Formula: Two C₁₂H₈Br₂S₂ polymorphs

Online 30 April 2003


	Structure factor file (CIF format) (124.7 kbytes) Contains datablock I

	Structure factor file (CIF format) (582.5 kbytes) Contains datablock II

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