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Dyserebroevropy

Diserebroropy - binary inorganic compound of silver and europium with the formula EuAg 2 , crystals.

Dyserebroevropy
Are common
Systematic
name
Dyserebroevropy
Traditional namesEuropiumDisrebro
Chem. formulaEuAg 2
Rac formulaAg 2 Eu
Physical properties
conditioncrystals
Molar mass367.70 g / mol
Density8.2 g / cm³
Thermal properties
T. melt.792 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances:
2Ag+Eu→792oCAg2Eu{\ displaystyle {\ mathsf {2Ag + Eu \ {\ xrightarrow {792 ^ {o} C}} \ Ag_ {2} Eu}}}  

Physical Properties

Diacerebropy forms crystals of the rhombic syngony , space group I mma , cell parameters a = 0.4785 nm , b = 0.7536 nm , c = 0.8168 nm , Z = 4 , the structure of the dimetserium type CeCu 2 [1] [2] [ 3] [4] .

The compound melts congruently at temperatures above 792 ° C.

Notes

  1. ↑ State Diagrams of Double Metallic Systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
  2. ↑ B. Predel. Ag-Eu (Silver - Europium) // Landolt-Börnstein - Group IV Physical Chemistry. - 2006. - T. 12A . - S. 1 . - DOI : 10.1007 / 10793176_28 .
  3. ↑ B. Predel. Ag-Eu (Silver-Europium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1991. - T. 5a . - S. 1-2 . - DOI : 10.1007 / 10000866_26 .
  4. ↑ KA Gschneidner, FW Calderwood. The Ag − Eu (Silver-Europium) system // Bulletin of Alloy Phase Diagrams. - 1985. - Vol. 6 , No. 1 . - p . 19-21 . - DOI : 10.1007 / BF02871169 .


Source - https://ru.wikipedia.org/w/index.php?title=Decerebroevropy&oldid=87338244


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Clever Geek | 2019