Trielenide ditorium is a binary inorganic compound of thorium and selenium with the formula Th 2 Se 3 , dark gray crystals.
| Triselenide ditoria | |
|---|---|
| Are common | |
| Systematic name | Triselenide ditoria |
| Traditional names | Seleny Thorium |
| Chem. formula | Th 2 se 3 |
| Physical properties | |
| condition | dark gray crystals |
| Molar mass | 700.96 g / mol |
| Density | 8.2 g / cm³ |
| Thermal properties | |
| T. | 1490 ° C |
Content
Getting
- Reaction of pure substances in an inert atmosphere:
Physical Properties
Trithelenide ditorium forms dark gray rhombic crystals, space group P nma , cell parameters a = 1.1354 nm , b = 1.1575 nm , c = 0.427 nm , Z = 4 , the structure of the type of disulfide trisulfide Sb 2 S 3 [1 ] [2] .
The compound is formed by the peritectic reaction at a temperature of 1490 ° C.
Chemical Properties
- Oxidized when heated in air [3] :
Notes
- ↑ State Diagrams of Double Metallic Systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ B. Predel. Se-Th (Selenium-Thorium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - T. 5J . - S. 1-2 . - DOI : 10.1007 / 10551312_2718 .
- ↑ David Brown, Horst Wedemeyer. Th Thium: Compounds with S, Se, Te and B. - Springer Science & Business Media, 2013. - p. 95. - 149 p. - ISBN 9783662063422 .