Osmium trichrome - a binary inorganic compound of osmium and chromium with the formula OsCr 3 , crystals.
| Osmiytrichrom | |
|---|---|
| General | |
| Systematic name | Osmiytrichrom |
| Traditional names | Trichromosmia |
| Chem. formula | OsCr 3 |
| Rat formula | Cr 3 Os |
| Physical properties | |
| condition | crystals |
| Molar mass | 346.22 g / mol |
| Density | 11.2 g / cm³ |
| Thermal properties | |
| T. decomp. | 1540 [1] [2] ° C |
| Classification | |
| Reg. CAS number | 12018-35-8 |
| PubChem | |
| Smiles | |
| Inchi | |
| ChemSpider | |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Osmium trichrome forms crystals of cubic syngony , space group P m 3 n , cell parameters a = 0.46779 nm, Z = 2, trichrome silicide type structure Cr 3 Si [1] .
The compound is formed by a peritectic reaction at a temperature of 1540 ° C and has a large homogeneity region of 23–29 at.% Osmium [1] .
It is reported that the compound exhibits superconducting properties [3] .
Notes
- ↑ 1 2 3 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
- ↑ B. Predel. Cr-Os (Chromium-Osmium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1994 .-- T. 5d . - S. 1-5 . - DOI : 10.1007 / 10086090_998 .
- ↑ Michael E. Brown, Patrick K. Gallagher. Handbook of Thermal Analysis and Calorimetry . - Elsevier, 2003 .-- 942 p.