Ruby-red, bead-shaped single crystals of C-type La 2 Se 3 (a = 905.21(6) pm), Pr 2 Se 3 (a = 891.17(6) pm), and Gd 2 Se 3 (a = 872.56(5) pm) are obtained by oxidation of the respective rare-earth metal (M = La, Pr and Gd) with selenium (molar ratio 2 : 3) in evacuated silica tubes at 750 °C in the p
ChemInform Abstract: Single Crystals of C—La2Se3, C—Pr2Se3, and C—Gd2Se3 with Cation-Deficient Th3P4-Type Structure.
✍ Scribed by Matthias Folchnandt; Thomas Schleid
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 31 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0931-7597
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✦ Synopsis
Abstract
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📜 SIMILAR VOLUMES
Synthesis and X-Ray Structure Analysis of Single Crystals. -Single crystals of the title compounds are prepared by oxidation of Gd and Tb, resp., with sulfur in a CsCl flux (700 • C, 5 d, evacuated silica tube). The isotypic compounds have a cation-deficient Th 3 P 4 type structure (cubic, space gr