Hexamed neodymium - a binary inorganic compound of neodymium and copper with the formula Cu 6 Nd, crystals.
| Hexamed Neodymium | |
|---|---|
| Are common | |
| Systematic name | Hexamed Neodymium |
| Traditional names | Neodymium Hexamide |
| Chem. formula | Cu 6 Nd |
| Rat formula | Ndcu 6 |
| Physical properties | |
| condition | crystals |
| Molar mass | 525.52 g / mol |
| Density | 8.43 g / cm³ |
| Thermal properties | |
| T. melt. | 910 [1] ; 920 [2] ° C |
| Enthalpy of Education | -11 [3] kJ / mol |
| Classification | |
| Reg. CAS number | 12507-15-2 |
Getting
- Fusion of stoichiometric amounts of pure substances:
Physical Properties
Hexamene neodymium forms rhombic syngony crystals, space group P mma , cell parameters a = 0.8064 nm, b = 0.5058 nm, c = 1.0113 nm, Z = 4, structure like CeCu 6 hexamer cerium [1] [3] .
The compound melts congruently at a temperature of 910 ° C [1] .
At a temperature of 6.1 K, an antiferromagnetic transition occurs in the compound [4] .
Notes
- ↑ 1 2 3 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
- ↑ MM Carnasciali, GA Costa, EA Franceschi. Phase equilibria in the Nd-Cu system // Journal of the Less Common Metals. - 1983. - T. 92 , No. 1 . - S. 97–103 . - DOI : 10.1016 / 0022-5088 (83) 90230-8 .
- ↑ 1 2 B. Predel. Cu-Nd (Copper-Neodymium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1994 .-- T. 5d . - S. 1-3 . - DOI : 10.1007 / 10086090_1094 .
- ↑ Shigeru Takayanagi, Nobuo Wada, Yoshichika Ōnuki, Takemi Komatsubara. Magnetic Phase Diagram in the Canting Antiferromagnet NdCu 6 // Journal of the Physical Society of Japan. - 1991 .-- T. 60 . - S. 975-981 . - DOI : 10.1143 / JPSJ.60.975 .