Structures of tetrabromothiophene and tetrabromoselenophene: the influence of the heteroatom on the heterophene packing
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The crystal structures of C(4)Br(4)S and C(4)Br(4)Se have been determined from X-ray powder diffraction data, using direct-space search techniques. In the case of C(4)Br(4)S two crystalline phases occur, a stable orthorhombic and a metastable monoclinic phase.... ...
