Praseodymium antimonide is a binary inorganic compound of praseodymium and antimony with the formula PrSb, crystals.
| Praseodymium antimonide | |
|---|---|
| Are common | |
| Systematic name | Praseodymium antimonide |
| Traditional names | Antimony praseodymium |
| Chem. formula | PrSb |
| Rac formula | Sbpr |
| Physical properties | |
| condition | crystals |
| Molar mass | 262.67 g / mol |
| Density | 6.7 g / cm³ |
| Thermal properties | |
| T. melt. | 2161; 2170 ° C |
| Education enthalpy | -252 [1] kJ / mol |
| Melting enthalpy | 68.6 [2] kJ / mol |
| Classification | |
| Reg. CAS number | 12066-81-8 |
| Reg. EINECS number | |
Getting
- Heating pure substances in a vacuum :
Physical Properties
Praseodymium antimonide forms cubic crystals, space group F m 3 m , cell parameters a = 0.638 nm, Z = 4, structure of sodium chloride type NaCl [3] [2] [4] .
The compound melts congruently at a temperature of 2170 ° С [3] (2161 ° С [2] ). At a temperature of 1950 ° C, a phase transition occurs in the crystals. At a pressure of 13 GPa, a phase transition also occurs [5] .
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 3 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 .
- ↑ Dinesh Chandra Gupta, Gajendra Singh Raypuria. Phase Transition of Praseodymium Mono-Pnictides Under High Pressure // International Journal of Modern Physics: Conference Series. - 2013. - T. 22 . - p . 491–496 . - DOI : 10.1142 / S2010194513010568 .