Genericosapalladium octagermanium is a binary inorganic compound of palladium and germanium with the formula Ge 8 Pd 21 , crystals.
| Genericosapalladium octagermany | |
|---|---|
| Are common | |
| Systematic name | Genericosapalladium octagermany |
| Traditional names | Octagermaniumgenicoscapalladium |
| Chem. formula | Pd 21 Ge 8 |
| Rac formula | Ge 8 Pd 21 |
| Physical properties | |
| condition | crystals |
| Molar mass | 2815.94 g / mol |
| Density | 10.9 g / cm³ |
| Thermal properties | |
| T. | 990 ° C [1] |
| Education enthalpy | ≈-1740 [2] kJ / mol |
| Classification | |
| Reg. CAS number | 65608-29-9 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Genericosapalladium octagermanium forms crystals of the tetragonal system , space group I 4 1 / a , cell parameters a = 1.3067 nm, c = 1.0033 nm, Z = 4, the structure of the type of peicutaluminium octaplatin Pt 8 Al 21 [1] [2] [3] [4] .
In some works, the formula Ge 2 Pd 5 [1] is attributed to the compound.
The compound is formed by the peritectic reaction at a temperature of 990 ° C [1] [2] [3] .
Notes
- ↑ 1 2 3 4 State diagrams of double metallic systems / Ed. N. P. Lyakishev. - M .: Metallurgy, 1997. - T. 2. - 1024 p. - ISBN 5-217-01569-1 .
- ↑ 1 2 3 B. Predel. Ge-Pd (Germanium-Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1996. - T. 5f . - pp . 1-3 . - DOI : 10.1007 / 10501684_1492 .
- ↑ 1 2 H. Okamoto. The Ge-Pd system (germanium-palladium) // Journal of Phase Equilibria. - 1992. - V. 13 , № 4 . - p . 410-413 . - DOI : 10.1007 / BF02674987 .
- ↑ P. Matković, W. Wopersnow, K. Schubert. Kristallstruktur von Pd 21 Ge 8 // Journal of the Less Common Metals. - 1977. - Vol . 56 , No. 1 . - pp . 69–75 . - DOI : 10.1016 / 0022-5088 (77) 90219-3 .