Disamarium antimonide is a binary inorganic compound of samarium and antimony with the formula Sm 2 Sb, crystals.
| Disamarium antimonide | |
|---|---|
| Are common | |
| Systematic name | Disamarium antimonide |
| Traditional names | Antimony Samaria |
| Chem. formula | Sm 2 sb |
| Rat formula | Sbsm 2 |
| Physical properties | |
| condition | crystals |
| Molar mass | 422.48 g / mol |
| Density | 8.0 g / cm³ |
| Thermal properties | |
| T. decomp. | ≈1300 ° C |
| Classification | |
| Reg. CAS number | 93844-14-5 |
Getting
- Heating of pure substances in vacuum :
Physical Properties
Disamarium antimonide forms tetragonal syngony crystals, space group I 4 / mmm , cell parameters a = 0.4468 ÷ 0.4478 nm , c = 1.746 ÷ 1.745 nm , Z = 4 structure of the dilantan antimonide type La 2 Sb [1] [2] [3] .
The compound is formed by a peritectic reaction at a temperature of ≈1300 ° С [1] .
Notes
- ↑ 1 2 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 .
- ↑ H. Okamoto. Sb-Sm (Antimony-Samarium) // Journal of Phase Equilibria. - 2000. - T. 21 , No. 4 . - S. 414-415 . - DOI : 10.1361 / 105497100770340002 .