Calcium dipalladium - a binary inorganic compound of palladium and calcium with the formula CaPd 2 , crystals.
| Dipalladium calcium | |
|---|---|
| General | |
| Systematic name | Dipalladium calcium |
| Traditional names | Calcium dipalladium |
| Chem. formula | Pd 2 ca |
| Rat formula | CaPd 2 |
| Physical properties | |
| condition | crystals |
| Molar mass | 252.92 g / mol |
| Density | 7.4 g / cm³ |
| Thermal properties | |
| T. melt. | 1300 ° C [1] ; 1305 ° C [2] |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Calcium dipalladium forms crystals of cubic syngony , space group F m 3 m , cell parameters a = 0.7652 nm, Z = 8, structure of the type of magnesium-copper Cu 2 Mg [1] [2] [3] [4] [5] [6] .
The compound melts congruently at a temperature of 1300 ° C and has a homogeneity range of 65–76 at.% Palladium [1] .
Notes
- ↑ 1 2 3 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Mechanical Engineering, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
- ↑ 1 2 B. Predel. Ca - Pd (Calcium - Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 2012 .-- T. 12B . - S. 166-167 . - DOI : 10.1007 / 978-3-540-44756-6_115 .
- ↑ Richard C. Ropp ,. Encyclopedia of the Alkaline Earth Compounds. - Elsevier, 2013 .-- 1187 p. - ISBN 978-0-444-59550-8 .
- ↑ H. Okamoto. Ca-Pd (Calcium-Palladium) // Journal of Phase Equilibria. - 1997. - T. 18 , No. 2 . - S. 219 . - DOI : 10.1007 / BF02665711 .
- ↑ B. Predel. Ca-Pd (Calcium-Palladium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1993 .-- T. 5c . - S. 1-2 . - DOI : 10.1007 / 10086082_716 .
- ↑ H Okamoto. ca-pd (calcium-palladium) // Journal of Phase Equilibria. - 1992. - T. 13 , No. 1 . - S. 99-100 . - DOI : 10.1007 / BF02645391 .