Tetrasamarium heptatelluride is a binary inorganic compound of samarium and tellurium with the formula Sm 4 Te 7 , crystals.
| Heptatelluride tetrasamaria | |
|---|---|
| General | |
| Systematic name | Heptatelluride tetrasamaria |
| Traditional names | Tellurium samarium |
| Chem. formula | Sm 4 Te 7 |
| Physical properties | |
| condition | crystals |
| Molar mass | 1494.64 g / mol |
| Density | 6.6 g / cm³ |
| Thermal properties | |
| T. decomp. | > 1400 ° C |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Tetrasamarium heptatelluride forms tetragonal crystal crystals, space group P 4 b2 , cell parameters a = 0.9030 nm , c = 0.9195 nm , Z = 2 , tetralanthanum heptatelluride type structure La 4 Te 7 [1] [2] .
The compound is formed at a temperature> 1400 ° C [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. Sm-Te (Samarium-Tellurium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5J . - S. 1 . - DOI : 10.1007 / 10551312_2750 .