Pentasamariumtrigermanium is a binary inorganic compound of samarium and germanium with the formula Ge 3 Sm 5 , crystals.
| Pentasamarium Trigermanium | |
|---|---|
| Are common | |
| Systematic name | Pentasamarium Trigermanium |
| Traditional names | Trigermanium Pentasamarium |
| Chem. formula | Ge 3 Sm 5 |
| Rat formula | Sm 5 Ge 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 969.72 g / mol |
| Density | 7.6 g / cm³ |
| Thermal properties | |
| T. melt. | 1700 ° C |
| Classification | |
| Reg. CAS number | 12025-77-3 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Pentasamarium trigermanium forms hexagonal crystals, space group P 6 3 / mcm , cell parameters a = 0.8653 nm , c = 0.6471 nm , Z = 2 , pentamanganese trisilicide type structure Mn 5 Si 3 [1] [2] [3 ] ] .
The compound melts congruently at a temperature of 1700 ° C [1] .
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
- ↑ B. Predel. Ge-Sm (Germanium-Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 5f. - T. 1996 . - S. 1-2 . - DOI : 10.1007 / 10501684_1505 .
- ↑ AB Gokhale, GJ Abbaschian. The Ge − Sm (Germanium-Samarium) system // Bulletin of Alloy Phase Diagrams. - 1988. - T. 9 , No. 5 . - S. 578-581 . - DOI : 10.1007 / BF02881959 .