Triplatinheptalanthanum is a binary inorganic compound of platinum and lanthanum with the formula La 7 Pt 3 , crystals.
| Triplatinheptalantane | |
|---|---|
| Are common | |
| Systematic name | Triplatinheptalantane |
| Traditional names | Heptalantantryplatin |
| Chem. formula | Pt 3 La 7 |
| Rac formula | La 7 Pt 3 |
| Physical properties | |
| condition | crystals |
| Molar mass | 1557.57 g / mol |
| Thermal properties | |
| T. | ≈1040; 894 [1] ° C |
| Classification | |
| Reg. CAS number | 50927-61-2 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Triplatine heptalantane forms crystals of hexagonal syngony , space group P 6 3 mc , cell parameters a = 0.4560 nm, c = 0.8263 nm, Z = 2 [2] , structure of the Fe 3 Th 7 heptatorium model [3] [1] [ 4] .
The compound is formed by a peritectic reaction at a temperature of 1040 ° C [4] (894 ° C [1] ).
Notes
- ↑ 1 2 3 H. Okamoto. La-Pt (Lanthanum-Platinum) // Journal of Phase Equilibria and Diffusion. - 2008. - T. 29 , No. 1 . - S. 122 . - DOI : 10.1007 / s11669-007-9231-6 .
- ↑ Parameters correspond to meaningless density.
- ↑ State Diagrams of Double Metallic Systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
- ↑ 1 2 B. Predel. La-Pt (Lanthanum-Platinum) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1-2 . - DOI : 10.1007 / 10506626_1879 .