Praseodymiumcadmium is a binary inorganic compound, an intermetallic compound of praseodymium and cadmium with the formula CdPr, crystals.
| Praseodymiumcadmium | |
|---|---|
| Are common | |
| Systematic name | Praseodymiumcadmium |
| Traditional names | Cadmium praseodymium |
| Chem. formula | Prcd |
| Rat formula | Cdpr |
| Physical properties | |
| condition | crystals |
| Molar mass | 253.32 g / mol |
| Density | 7.5 g / cm³ |
| Thermal properties | |
| T. melt. | > 700 ° C [1] ; 1003 ° C [2] |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Praseodymium cadmium forms crystals of cubic syngony , space group P m 3 m , cell parameters a = 0.3830 nm, Z = 1, structure of the type of cesium chloride CsCl [3] [4] [1] .
The compound melts congruently at a temperature of 1003 ° C [2] and forms a eutectic with praseodymium with a melting point of 435 ° C [5] .
Notes
- ↑ 1 2 KA Gschneidner, FW Calderwood. The Cd − Pr (Cadmium-Praseodymium) system // Journal of Phase Equilibria. - 1988. - T. 9 , No. 2 . - S. 130-132 . - DOI : 10.1007 / BF02890545 .
- ↑ 1 2 Thomas L. Reichmann, Klaus W. Richter, Simona Delsante, Gabriella Borzone, Herbert Ipser. Enthalpies of formation of Cd – Pr intermetallic compounds and thermodynamic assessment of the Cd – Pr system // CALPHAD: Computer Coupling of Phase Diagrams and Thermochemistry. - 2014 .-- T. 47 . - S. 56–62 . - DOI : 10.1016 / j.calphad.2014.06.06.005 .
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Mechanical Engineering, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
- ↑ B. Predel. Cd-Pr (Cadmium-Praseodymium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1993 .-- T. 5c . - S. 1-2 . - DOI : 10.1007 / 10086082_782 .
- ↑ KA Gschneidner, FW Calderwood. The cadmium-rare earth systems // Bulletin of Alloy Phase Diagrams. - 1988. - T. 9 , No. 1 . - S. 16-21 . - DOI : 10.1007 / BF02877448 .