Rubidium antimonide - a binary inorganic compound of rubidium and antimony with the formula RbSb, crystals.
| Rubidium antimonide | |
|---|---|
| General | |
| Systematic name | Rubidium antimonide |
| Traditional names | Antimony rubidium |
| Chem. formula | Rbsb |
| Physical properties | |
| condition | crystals |
| Molar mass | 207.23 g / mol |
| Density | 4.0 g / cm³ |
| Thermal properties | |
| T. melt. | 610 ° C |
| Classification | |
| Reg. CAS number | 12423-75-5 |
Getting
- Inert atmosphere fusion (Ar) of stoichiometric amounts of pure substances:
Physical Properties
Rubidium antimonide forms rhombic syngony crystals, space group P 2 1 2 1 2 1 , cell parameters a = 0.7315 nm, b = 0.7197 nm, c = 1.2815 nm, Z = 8, structure like sodium phosphide NaP [ 1] [2] [3] .
The production of monoclinic syngony crystals, space group P 2 1 / c , cell parameters a = 0.73566 nm, b = 0.71341 nm, c = 1.37930 nm, β = 114.28 °, Z = 8, structure of lithium arsenide type LiAs [4] .
The compound melts congruently at a temperature of 610 ° C [1] .
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
- ↑ B. Predel. Rb-Sb (Rubidium-Antimony) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5J . - S. 1-2 . - DOI : 10.1007 / 10551312_2574 .
- ↑ J. Sangster, AD Pelton. The Rb-Sb (rubidium-antimony) system // Journal of Phase Equilibria. - 1997. - T. 18 , No. 4 . - S. 390-393 . - DOI : 10.1007 / s11669-997-0067-x .
- ↑ C. Hirschle, F. Emmerling, C. Röhr. β-Rubidium antimonide, Rb 4 Sb 4 // Acta Cryst .. - 2001. - T. C57 . - S. 501-502 . - DOI : 10.1107 / S0108270101002451 .