Author： Blachnik R. Lytze K. Reuter H.
Publisher： Academic Press
ISSN： 0022-4596
Source： Journal of Solid State Chemistry, Vol.126, Iss.1, 1996-10, pp. : 95-98
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Abstract
The new quaternary compound Hg 2 SnS 2 Br 2 was prepared by the reaction of HgS with SnBr 2 . It crystallizes in the space group C 5 2 h - P 2 1 / n of the monoclinic system with four formula units in the cell and lattice parameters of a = 935.6(1), b = 802.8(1), c = 1063.0(2) pm and beta = 103.06(1)#°. The structure consists of [Hg-S-] helices arranged in a tetragonal rod packing which are separated by Sn 2 Br 4 -units. Both structural features appear in the structures of the pure components, too. The intercalation of SnBr 2 in HgS (cinnabar-type) may be compared with that of Br 2 in CsF.
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