Tetrapraseodymium triantimonide is a binary inorganic compound of praseodymium and antimony with the formula Pr 4 Sb 3 , crystals.
| Tetrapraseodymium triantimonide | |
|---|---|
| Are common | |
| Systematic name | Tetrapraseodymium triantimonide |
| Traditional names | Antimony praseodymium |
| Chem. formula | Pr 4 Sb 3 |
| Rac formula | Sb 3 Pr 4 |
| Physical properties | |
| condition | crystals |
| Molar mass | 928.91 g / mol |
| Density | 7.5 g / cm³ |
| Thermal properties | |
| T. | 1835 ° C |
| Education enthalpy | -840 [1] kJ / mol |
| Melting enthalpy | 21.4 [2] kJ / mol |
| Classification | |
| Reg. CAS number | 12066-88-5 |
Getting
- Heating pure substances in a vacuum :
Physical Properties
Tetraprasedehyde triantimonide forms crystals of cubic system , space group I 4 3d , cell parameters a = 0.935 nm, Z = 4, structure of tetrifhosphide of the tritorium Th 3 P 4 [3] [2] [4] .
The compound is formed by the peritectic reaction at a temperature of 1835 ° C [3] .
Notes
- ↑ G. Borzone, A. Borsese, G. Zanicchi, R. Ferro. Determination of heats of formation of praseodymium antimonides // Journal of thermal analysis. - 1982. - V. 25 , No. 2 . - p . 433-440 . - DOI : 10.1007 / BF01912969 .
- ↑ 1 2 P. Franke, D. Neuschütz. Pr-Sb // Landolt-Börnstein - Group IV Physical Chemistry. - 2006. - T. 19B4 . - p . 1-4 . - DOI : 10.1007 / 10757285_56 .
- ↑ 1 2 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. Pr-Sb (Praseodymium-Antimony) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - V. 5I . - S. 1-2 . - DOI : 10.1007 / 10542753_2498 .