Ditallium selenide is a binary inorganic compound of thallium and selenium with the formula Tl 2 Se, crystals.
| Selenide Dithallium | |
|---|---|
| Are common | |
| Systematic name | Selenide Dithallium |
| Traditional names | Selenium Thallium |
| Chem. formula | Tl 2 Se |
| Physical properties | |
| condition | crystals |
| Molar mass | 487.73 g / mol |
| Density | 8.1 g / cm³ |
| Thermal properties | |
| T. melt. | 390 ° C |
| Enthalpy of Education | 31.3 [1] kJ / mol |
| Classification | |
| Reg. CAS number | 15572-25-5 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Dithallium selenide forms tetragonal crystal crystals, space group P 4 / ncc , cell parameters a = 0.854 nm , c = 0.271 nm , Z = 2 [2] [3] [4] [5] .
The compound melts congruently at a temperature of 390 ° C.
Notes
- ↑ VP Vasilyev, VS Minaev, LP Batyunya. Thermodynamic Properties, Phase Diagrams and Glassformation of Thallium Chalcogenides // Chalcogenide Letters. - 2013. - T. 10 , No. 11 . - S. 485-507 .
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ B. Predel. Se-Tl (Selenium-Thallium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5J . - S. 1-2 . - DOI : 10.1007 / 10551312_2720 .
- ↑ P. Franke, D. Neuschütz. Se-Tl // Landolt-Börnstein - Group IV Physical Chemistry. - 2006. - T. 19B4 . - S. 1-3 . - DOI : 10.1007 / 10757285_66 .
- ↑ H. Okamoto. Se-Tl (Selenium-Thallium) // Journal of Phase Equilibria and Diffusion. - 2011. - T. 32 , No. 6 . - S. 570-571 . - DOI : 10.1007 / s11669-011-9954-2 .