Diosmyrconium - binary inorganic compound, osmium and zirconium intermetallic compounds with the formula Os 2 Zr, crystals.
| Diosmyrconium | |
|---|---|
| Are common | |
| Systematic name | Diosmyrconium |
| Traditional names | Zirconium |
| Chem. formula | Os 2 Zr |
| Rac formula | ZrOs 2 |
| Physical properties | |
| condition | crystals |
| Molar mass | 471.68 g / mol |
| Density | 15.8 g / cm³ |
| Thermal properties | |
| T. melt. | 2660 [1] [2] ° C |
| Classification | |
| Reg. CAS number | 12299-07-9 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Diosmyrconium forms crystals of hexagonal syngony , space group P 6 3 / mmc , cell parameters a = 0.5179 nm, c = 0.8509 nm, Z = 4, structure of the type of zinc magnesium MgZn 2 ( Laves phase ) [3] [1] [ 4] .
The compound melts congruently at a temperature of 2660 ° С, at a temperature of 2300 ° С it has a homogeneity range of ≈32 ÷ 38 at.% Zirconium [1] .
At a temperature of 3 K, it passes into the superconducting state [5] .
Notes
- ↑ 1 2 3 Diagrams of state of binary metallic systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
- ↑ V.I. Eremenko, T.D. Shtepa, E.L. Semenova. Intermediate phases in double zirconium alloys with osmium, rhodium and iridium. - Lviv: Second All-Union Conference on Crystal Chemistry of Intermetallic Compounds. Abstracts, 1974. - p. 28.
- ↑ Chemist Handbook / Redcol .: Nikolsky B.P. et al. - 2nd ed., Rev. - M.-L.: Chemistry, 1966. - T. 1. - 1072 p.
- ↑ H. Okamoto. Os-Zr (osmium-zirconium) // Journal of Phase Equilibria. - 1997. - V. 18 , № 4 . - p . 405 . - DOI : 10.1007 / s11669-997-0075-x .
- ↑ Ch. J. Raub. Platinum Metals Rev. .. - 1984. - Vol . 28 , No. 2 . - pp . 63-75 .