Pentanary Oxythiogermanates Ba3MGe3O2S8 (M = Ca, Zn) Featuring [Ge3O2S8]8– Trimers and {[MGe3O2S8]6–}∞ Chains: Structural Chemistry and Physical Properties
Xin-Xin Fan,
Mei Yang,
Wen-Dong Yao
et al.
Abstract:Oxychalcogenides are increasingly attracting wide attention because they contain multiple anions that may combine the advantages of oxides and chalcogenides. In this work, two new pentanary oxythiogermanates, Ba 3 MGe 3 O 2 S 8 [M = Ca (1), Zn (2)], were synthesized by a high-temperature solid-state reaction. They crystallize in the orthorhombic space group Pnma, and their structures contain isolated [Ge 3 O 2 S 8 ] 8− units constructed by one [GeO 2 S 2 ] and two [GeOS 3 ] tetrahedra that link with M 2+ ions … Show more
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