Diethesia trisulfide is an inorganic compound of sulfur and cesium with the formula Cs 2 S 3 , orange crystals.
Diethesia trisulfide | |
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Are common | |
Systematic name | Diethesia trisulfide |
Traditional names | Cesium Sulfur |
Chem. formula | Cs 2 S 3 |
Physical properties | |
condition | orange crystals |
Molar mass | 362.01 g / mol |
Density | 3.5 g / cm³ |
Thermal properties | |
T. melt. | 213 ° C |
T. | 206 ° C |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Dicycium trisulfide forms orange crystals of the rhombic syngony , the space group is C mc2 1 , the cell parameters are a = 0.7712 nm , b = 1.0939 nm , c = 0.8111 nm , Z = 4 , the structure of the dipotassium trisulfide type K 2 S 3 [ 1] [2] [3] [4] .
The compound is formed by a peritectic reaction at a temperature of 206 ° C [1] or melts congruently at a temperature of 213 ° C [3] .
Compound is diamagnetic .
Notes
- ↑ 1 2 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 .
- ↑ 1 2 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 .
- ↑ Boettcher P. Darstellung und Kristallstruktur der Dialkalimetalltrichalkogenide Rb 2 S 3 , Rb 2 Se 3 , Cs 2 S 3 and Cs 2 Se 3 // Zeitschrift fuer Anorganische und Allgemeine Chemie. - 1980. - T. 461 . - pp . 13-21 .