Dirtutholm is a binary inorganic compound of holmium and mercury with the formula HoHg 2 , crystals.
| Dirtutholm | |
|---|---|
| General | |
| Systematic name | Dirtutholm |
| Traditional names | Holmidirturat; amalgam holmium |
| Chem. formula | Hohg 2 |
| Rat formula | Hg 2 ho |
| Physical properties | |
| condition | crystals |
| Molar mass | 566.11 g / mol |
| Density | 13.6 g / cm³ |
| Thermal properties | |
| T. decomp. | 550 ° C |
Getting
- Fusion of stoichiometric amounts of pure substances in an inert atmosphere:
Physical Properties
Dirtutolumium forms crystals of hexagonal syngony , space group P 6 / mmm , cell parameters a = 0.4798 nm, c = 0.3470 nm, Z = 1, structure like aluminum diboride AlB 2 [1] [2] [3] .
The compound is formed by a peritectic reaction at a temperature of 550 ° C [1] or melts congruently at a temperature of ≈1100 ° C [2] .
Notes
- ↑ 1 2 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. Hg-Ho (Mercury-Holmium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1-2 . - DOI : 10.1007 / 10506626_1618 .
- ↑ C. Guminski. The Hg-Ho (mercury-holmium) system // Journal of Phase Equilibria. - 1995. - T. 16 , No. 1 . - S. 77-80 . - DOI : 10.1007 / BF02646253 .