Tetrapraseodymium triarsenide is a binary inorganic compound of praseodymium and arsenic with the formula Pr 4 As 3 , crystals.
| Tetrapraseodymium triarsenide | |
|---|---|
| Are common | |
| Systematic name | Tetrapraseodymium triarsenide |
| Traditional names | Arsenic praseodymium |
| Chem. formula | Pr 4 As 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 788.40 g / mol |
| Density | 7.2 g / cm³ |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Tetrapraseodymium triarsenide forms cubic syngony crystals, space group I 4 3d , cell parameters a = 0.8984 nm, Z = 4, structure of the tritium tetraphosphide type Th 4 P 3 [1] [2] [3] [4] .
Notes
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Mechanical Engineering, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
- ↑ KA Gschneidner, FW Calderwood. The As − Pr (Arsenic-Praseodymium) system // Bulletin of Alloy Phase Diagrams. - 1986. - T. 7 , No. 4 . - S. 347-348 . - DOI : 10.1007 / BF02873010 .
- ↑ Wolfhart Rieger, Erwin Parthé. Die Kristallstruktur von Ce 4 As 3 und Pr 4 As 3 // Monatshefte für Chemie / Chemical Monthly. - 1969. - T. 100 , No. 4 . - S. 1370-1371 . - DOI : 10.1007 / BF00903473 .
- ↑ KA Gschneidner, FW Calderwood. The arsenic-rare earth systems // Bulletin of Alloy Phase Diagrams. - 1986. - T. 7 , No. 3 . - S. 274-276 . - DOI : 10.1007 / BF02869005 .