Trirodioheptaitrium - a binary inorganic compound of yttrium and rhodium with the formula Rh 3 Y 7 , crystals.
| Trirodiohepta | |
|---|---|
| General | |
| Systematic name | Trirodiohepta |
| Traditional names | Heptaitriytrirodiy |
| Chem. formula | Rh 3 Y 7 |
| Rat formula | Y 7 Rh 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 931.06 g / mol |
| Density | 6.0 g / cm³ |
| Thermal properties | |
| T. decomp. | ≈1300 ° C |
| Enthalpy of Education | -585 [1] kJ / mol |
| Classification | |
| Reg. CAS number | 12038-94-7 |
Getting
- Sintering of stoichiometric amounts of pure substances:
Physical Properties
Trirodioheptaitrium forms crystals of hexagonal syngony , space group P 6 3 mc , cell parameters a = 0.9793 nm, c = 0.6196 nm, Z = 2, structure of the Fe 3 Th 7 heptatorium model [2] [3] .
The compound is formed by a peritectic reaction at a temperature of ≈1300 ° С [3] .
Notes
- ↑ Gus LW Hart, Stefano Curtarolo, Thaddeus B. Massalski, Ohad Levy. A high-throughput ab initio review of platinum-group alloy systems // Phys. Rev. X. - 2013.- T. 3 . - S. 041035 . - DOI : 10.1103 / PhysRevX . 3.041035 .
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ 1 2 B. Predel. Rh-Y (Rhodium-Yttrium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - T. 5 J. - S. 1-2 . - DOI : 10.1007 / 10551312_2628 .