Samarium nickel is a binary inorganic compound of nickel and samarium with the formula Ni 2 Sm, crystals.
| Samaridinickel | |
|---|---|
| General | |
| Systematic name | Samaridinickel |
| Traditional names | Dinickelsamarium |
| Chem. formula | Ni 2 Sm |
| Rat formula | Smni 2 |
| Physical properties | |
| condition | crystals |
| Molar mass | 267.75 g / mol |
| Density | 9.4 g / cm³ |
| Thermal properties | |
| T. decomp. | 1034 ° C |
| Enthalpy of Education | -108 [1] kJ / mol |
| Classification | |
| Reg. CAS number | 12201-95-5 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Samarium nickel forms crystals of cubic syngony , space group F d 3 m , cell parameters a = 0.7226 nm , Z = 8 , structure of the type of magnesium-copper Cu 2 Mg [2] [3] [4] .
The compound is formed by a peritectic reaction at a temperature of 1034 ° C [2] (1031 ° C [3] ).
Notes
- ↑ G. Borzone, Nadia Parodi, Riccardo Raggio, R. Ferro. Thermodynamic investigation of samarium – nickel alloys // Journal of Alloys and Compounds. - 2001 .-- T. 317-318 . - S. 532-536 . - DOI : 10.1016 / S0925-8388 (00) 01382-7 .
- ↑ 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 .
- ↑ 1 2 B. Predel. Ni-Sm (Nickel-Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5I . - S. 1-2 . - DOI : 10.1007 / 10542753_2264 .
- ↑ H. Okamoto. Ni-Sm (nickel-samarium) // Journal of Phase Equilibria. - 2001. - T. 22 , No. 1 . - S. 94 . - DOI : 10.1361 / 105497101770339427 .