Trisvincium sodium is a binary inorganic compound of lead and sodium with the formula NaPb 3 , crystals.
| Trisvincide | |
|---|---|
| Are common | |
| Systematic name | Trisvincide |
| Traditional names | Sodium Tritene |
| Chem. formula | NaPb 3 |
| Rat formula | Pb 3 Na |
| Physical properties | |
| condition | crystals |
| Molar mass | 644.59 g / mol |
| Density | 9.1 g / cm³ |
| Thermal properties | |
| T. melt. | 320 ° C |
| Classification | |
| Reg. CAS number | 12058-62-7 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Trisvincium sodium forms crystals of cubic syngony , space group P m 3 m , cell parameters a = 0.4888 nm , Z = 1 , structure like tri - gold AuCu 3 [1] [2] .
The compound melts congruently at a temperature of 320 ° C [1] .
At a temperature of 5.62 K, the compound goes into a superconducting state [3] .
The compound is enriched in sodium and has a homogeneity region of 27 ÷ 32.5 at.% Sodium.
Notes
- ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
- ↑ B. Predel. Na-Pb (Sodium-Lead) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5H . - S. 1-5 . - DOI : 10.1007 / 10522884_2154 .
- ↑ Charles K. Poole, Horacio A. Farach, Richard J. Creswick. Handbook of Superconductivity . - Academic Press, 1999 .-- S. 194. - 693 p. - ISBN 9780080533216 .