Crystal Structures of New Chalcogenide- Containing Yttrium Orthosilicates Y2SiO4Q (Q = S, Se)

Compounds Y 2 SiO 4 Q (Q = S, Se) are obtained by the interaction of oxides and elemental substances in cesium chloride flux. The structures of these compounds are determined by the single crystal XRD analysis. These compounds isostructural and crystallize in the space group Pbcm with the following...

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Bibliographic Details
Published in:Journal of structural chemistry 2018-05, Vol.59 (3), p.635-640
Main Authors: Kiryakov, A. S., Piryazev, D. A., Tarasenko, M. S., Naumov, N. G.
Format: Article
Language:English
Subjects:
Atomic
Atomic/Molecular Structure and Spectra
Cesium compounds
Chemistry
Chemistry and Materials Science
Crystal structure
Fluxing
Inorganic Chemistry
Molecular
Optical and Plasma Physics
Physical Chemistry
Single crystals
Solid State Physics
Yttrium
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Summary:Compounds Y 2 SiO 4 Q (Q = S, Se) are obtained by the interaction of oxides and elemental substances in cesium chloride flux. The structures of these compounds are determined by the single crystal XRD analysis. These compounds isostructural and crystallize in the space group Pbcm with the following parameters: Y 2 SiO 4 S ( I ) a = 6.0462(8) Å, b = 6.8976(9) Å, c = 10.6558(13) Å, V = 444.39(10) Å 3 ; Y 2 SiO 4 Se ( II ) a = 5.9935(7) Å, b = 6.9216(8) Å, c = 10.7688(12) Å, V = 446.74(9) Å 3 . The measured fluxing points are 1650±15 °С for I and 1850±15 °С for II .
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476618030186