Platinum adigolium is a binary inorganic compound of platinum and holmium with the formula Ho 2 Pt, crystals.
| Platinum | |
|---|---|
| Are common | |
| Systematic name | Platinum |
| Traditional names | Digolium Platinum |
| Chem. formula | Ptho 2 |
| Rat formula | Ho 2 pt |
| Physical properties | |
| condition | crystals |
| Molar mass | 524.94 g / mol |
| Density | 12.0 g / cm³ |
| Thermal properties | |
| T. decomp. | ≈1430; 1205 ° C |
| Classification | |
| Reg. CAS number | 65767-60-4 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Platinum adigolium forms rhombic syngony crystals, space group P nma , cell parameters a = 0.70547 nm, b = 0.47224 nm, c = 0.86868 nm, Z = 4, structure like lead dichloride PbCl 2 (or dicobalt silicide Co 2 Si ) [1] [2] [3] [4] [5] .
The compound is formed by a peritectic reaction at a temperature of ≈1430 ° C [2] (1205 ° C [5] ).
Notes
- ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
- ↑ 1 2 B. Predel. Ho - Pt (Holmium - Platinum) // Landolt-Börnstein - Group IV Physical Chemistry. - 2013 .-- S. 201 . - DOI : 10.1007 / 978-3-642-24778-1_127 .
- ↑ H. Okamoto. Ho − Pt (Holmium-Platinum) // Journal of Phase Equilibria and Diffusion. - 2006. - T. 27 , No. 4 . - S. 430 . - DOI : 10.1007 / s11669-006-0030-2 .
- ↑ B. Predel. Ho-Pt (Holmium-Platinum) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1-2 . - DOI : 10.1007 / 10506626_1687 .
- ↑ 1 2 Daniele Macciò, F. Rosalbino, Adriana Saccone, S. Delfino. Partial phase diagrams of the Dy – Pt and Ho – Pt systems and electrocatalytic behavior of the DyPt and HoPt phases // Journal of Alloys and Compounds. - 2005. - T. 391 , No. 1 . - S. 60-66 . - DOI : 10.1016 / j.jallcom.2004.08.0.050 .