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2005
Structure
D 2000
05- 006
Dicerium Orthosilicate Selenide and Dicerium Orthosilicate Telluride,
Ce2(SiO4)Q (Q: Se or Te). — The structures of the new quaternary title compounds
are determined by single crystal XRD. Both compounds crystallize in the orthorhombic
space group Pbcm with Z = 4. Although the structures of Ce2(SiO4)Se and Ce2(SiO4)Te
are similar, they are not strictly isostructural, differing in the coordination about the Ce
atoms. Each structure comprises infinite chains of SiO4 tetrahedra separated by Ce and
Se/Te atoms. — (DENG, B.; YAO, J.; IBERS*, J. A.; Acta Crystallogr., Sect. C:
Cryst. Struct. Commun. 60 (2004) 11, i110-i112; Dep. Chem., Northwest. Univ.,
Evanston, IL 60208, USA; Eng.) — Schramke
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