Diethesia disulfide is an inorganic compound of sulfur and cesium with the formula Cs 2 S 2 , dark red crystals, forms a crystalline hydrate .
| Disulfide diethesia | |
|---|---|
| Are common | |
| Systematic name | Disulfide diethesia |
| Traditional names | Cesium Sulfur |
| Chem. formula | Cs 2 S 2 |
| Physical properties | |
| condition | dark red crystals |
| Molar mass | 329.94 g / mol |
| Density | 3.1 g / cm³ |
| Thermal properties | |
| T. melt. | ≈460 ° C |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Diethesia disulfide forms dark red rhombic crystals, space group I mmm , cell parameters a = 0.6992 nm , b = 0.9615 nm , c = 0.5232 nm , Z = 2 [1] [2] [3] [4] .
The compound melts congruently at a temperature of 460 ° C.
Forms crystalline hydrate of Cs 2 S 2 • H 2 O.
Notes
- ↑ State Diagrams of Double Metallic Systems / Ed. N. P. Lyakishev. - M .: Metallurgy, 1997. - T. 2. - 1024 p. - ISBN 5-217-01569-1 .
- ↑ B. Predel. Cs-S (Cesium-Sulfur) // Landolt-Börnstein - Group IV Physical Chemistry. - 1994. - V. 5d . - S. 1-2 . - DOI : 10.1007 / 10086090_1059 .
- ↑ J. Sangster, AD Pelton. The Cs-S (Cesium-Sulfur) system // Journal of Phase Equilibria. - 1997. - Vol. 18 , No. 1 . - p . 78-81 . - DOI : 10.1007 / BF02646760 .
- ↑ P. Böttcher. Zur synthese und struktur von Cs 2 S 2 // Journal of the Less Common Metals. - 1979. - Vol . 63 , No. 1 . - p . 99-103 . - DOI : 10.1016 / 0022-5088 (79) 90212-1 .