Email this article Crystal Structure and Optical Property of Quaternary Sulfide Ba2.77SnSb2.16S8
- Authors: Zhao H.1,2
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Affiliations:
- Laboratory of Applied Research on the Characteristic Resources in the North of Guizhou Province, School of Chemistry and Chemical Engineering
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter
- Issue: Vol 59, No 4 (2018)
- Pages: 955-960
- Section: Article
- URL: https://journals.rcsi.science/0022-4766/article/view/161970
- DOI: https://doi.org/10.1134/S0022476618040303
- ID: 161970
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Abstract
Quaternary sulfide Ba2.77SnSb2.16S8 is prepared from stoichiometric mixtures of Ba, Sn, Sb, and S at 1223 K in an evacuated silica tube. Ba2.77SnSb2.16S8 crystallizes in the orthorhombic Pnma space group with a = 11.7125(18) Å, b = 4.3870(9) Å, c = 29.778(5) Å, V = 1530.1(5) Å3, Dcalc = 4.418 g/cm3 and Z = 4. This structure contains triple chains of distorted SbS5 square pyramids, which are interconnected via edge-sharing to form one-dimensional (1D) ribbons along the [010] direction. These ribbons are parallel to the chains of SnS4 tetrahedra separated by Ba2+ cations. The optical gap of 1.50 eV for Ba2.77SnSb2.16S8 is deduced from UV/Vis reflectance spectroscopy.
About the authors
H.-J. Zhao
Laboratory of Applied Research on the Characteristic Resources in the North of Guizhou Province, School of Chemistry and Chemical Engineering; State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter
Author for correspondence.
Email: cszzl772002@yeah.net
China, Zunyi, Guizhou; Fuzhou, Fujian
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