Pentapalladium digallium is a binary inorganic compound of palladium and gallium with the formula Ga 2 Pd 5 , crystals.
| Pentapalladium digallium | |
|---|---|
| Are common | |
| Systematic name | Pentapalladium digallium |
| Traditional names | Digallium Pentapalladium |
| Chem. formula | Pd 5 Ga 2 |
| Rat formula | Ga 2 Pd 5 |
| Physical properties | |
| condition | crystals |
| Molar mass | 671.55 g / mol |
| Density | 10.8 g / cm³ |
| Thermal properties | |
| T. decomp. | 990 ° C [1] |
| Classification | |
| Reg. CAS number | 53095-62-8 |
Content
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Pentapalladium digallium forms crystals of rhombic syngony , space group P nma , cell parameters a = 0.5485 nm, b = 0.4083 nm, c = 1.8396 nm, Z = 4 [1] [2] [3] [4] .
The compound is formed as a result of congruent solid-phase transformation of dipalladium gallium at a temperature of 990 ° C [1] .
Application
- Component of catalysts [5] .
Notes
- ↑ 1 2 3 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
- ↑ H. Okamoto. Ga-Pd (Gallium-Palladium) // Journal of Phase Equilibria and Diffusion. - 2008. - T. 29 , No. 5 . - S. 466-467 . - DOI : 10.1007 / s11669-008-9363-3 .
- ↑ B. Predel. Ga-Pd (Gallium-Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1996. - T. 5f . - S. 1-3 . - DOI : 10.1007 / 10501684_1387 .
- ↑ K. Khalaff, K. Schubert. Kristallstruktur von Pd 5 Ga 2 // Journal of the Less Common Metals. - 1974. - T. 37 , No. 1 . - S. 129–140 . - DOI : 10.1016 / 0022-5088 (74) 90014-9 .
- ↑ Nobuhiro Iwasa, Hiroshi Suzuki, MasaoTerashita, Masahiko Arai, and Nobutsune Takezawa. Methanol synthesis from CO 2 under atmospheric pressure over supported Pd catalysts // Catalysis Letters. - 2004. - T. 96 , No. 1–2 . - S. 75-78 . Archived December 5, 2014.