Tetrasamarium triantimonide is a binary inorganic compound of samarium and antimony with the formula Sm 4 Sb 3 , crystals.
| Triantimonide Tetrasamaria | |
|---|---|
| Are common | |
| Systematic name | Triantimonide Tetrasamaria |
| Traditional names | Antimony Samaria |
| Chem. formula | Sm 4 Sb 3 |
| Rat formula | Sb 3 sm 4 |
| Physical properties | |
| condition | crystals |
| Molar mass | 966.72 g / mol |
| Density | 7.9 g / cm³ |
| Thermal properties | |
| T. decomp. | 1792 ° C |
| Classification | |
| Reg. CAS number | 12210-98-9 |
Getting
- Heating of pure substances in vacuum :
Physical Properties
Tetrasamarium triantimonide forms cubic syngonium crystals, space group I 4 3d , cell parameters a = 0.9308 ÷ 0.9316 nm , Z = 4 , structure of the tritium tetraphosphide type Th 3 P 4 [1] [2] [3] .
The compound is formed by a peritectic reaction at a temperature of 1792 ° C [3] .
At a temperature of 168 K, a transition to the ferromagnetic state occurs in the compound [4] .
Notes
- ↑ 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. Sb-Sm (Antimony-Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5J . - S. 1-2 . - DOI : 10.1007 / 10551312_2677 .
- ↑ 1 2 H. Okamoto. Sb-Sm (Antimony-Samarium) // Journal of Phase Equilibria. - 2000. - T. 21 , No. 4 . - S. 414-415 . - DOI : 10.1361 / 105497100770340002 .
- ↑ C. Ritter, AV Morozkin, KS Oskolkov, R. Nirmala, O. Isnard, P. Manfrinetti, A. Provinog. Magnetic ordering of the R 4 Sb 3 compounds (R = Pr, Nd, Sm) and of Pr 2 Nd 2 Sb 3 // Journal of Alloys and Compounds. - 2010 .-- T. 494 . - S. 28–33 . - DOI : 10.1016 / j.jallcom.2010.01.028 .