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- Title
Crystal Structures of New Chalcogenide- Containing Yttrium Orthosilicates Y<sub>2</sub>SiO<sub>4</sub>Q (Q = S, Se).
- Authors
Kiryakov, A. S.; Piryazev, D. A.; Tarasenko, M. S.; Naumov, N. G.
- Abstract
Compounds Y2SiO4Q (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: Y2SiO4S (I) a = 6.0462(8) Å, b = 6.8976(9) Å, c = 10.6558(13) Å, V = 444.39(10) Å3; Y2SiO4Se (II) a = 5.9935(7) Å, b = 6.9216(8) Å, c = 10.7688(12) Å, V = 446.74(9) Å3. The measured fluxing points are 1650±15 °С for I and 1850±15 °С for II.
- Subjects
CRYSTAL structure; CHALCOGENIDES synthesis; NESOSILICATES; YTTRIUM compounds synthesis; X-ray diffraction
- Publication
Journal of Structural Chemistry, 2018, Vol 59, Issue 3, p635
- ISSN
0022-4766
- Publication type
Article
- DOI
10.1134/S0022476618030186