Tetraplatinapentaitrium - a binary inorganic compound of platinum and yttrium with the formula Pt 4 Y 5 , crystals.
| Tetraplatin pentaitrium | |
|---|---|
| Are common | |
| Systematic name | Tetraplatin pentaitrium |
| Traditional names | Triittrium tetraplatin |
| Chem. formula | Pt 4 Y 5 |
| Rat formula | Y 5 Pt 4 |
| Physical properties | |
| condition | crystals |
| Molar mass | 1224.84 g / mol |
| Density | 9.97 g / cm³ |
| Thermal properties | |
| T. decomp. | ≈1700 [1] ° C |
| Enthalpy of Education | -120 [2] kJ / mol |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Tetraplatinapentaitrite forms rhombic syngony crystals, space group P nma , cell parameters a = 0.7458 nm, b = 1.4546 nm, c = 0.7519 nm, Z = 4, pentasamarium tetra germanium type structure Ge 4 Sm 5 [1] [3 ] ] [4] .
The compound is formed by a peritectic reaction at a temperature of ≈1700 ° C [1] .
Notes
- ↑ 1 2 3 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ Thermodynamic modeling of the platinum yttrium system.
- ↑ A. Palenzona, S. Cirafici. The Pt-Y (Platinum-Yttrium) system // Bulletin of Alloy Phase Diagrams. - 1990. - T. 11 , No. 5 . - S. 493-497 . - DOI : 10.1007 / BF02898267 .
- ↑ J. Le Roy, J.-M. Moreau, D. Paccard, E. Parthé. R 5 Pt 4 compounds (R = Tb, Dy, Ho, Er, Tm, Lu and Y) isotypic with Pu 5 Rh 4 // Acta Crystallographica Section B. - 1978. - T. 34 , No. 11 . - S. 3315–3318 . - DOI : 10.1107 / S0567740878010742 .