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Genpentactontaserebrotetradecalantan

Genpentactontaserebrotetradecalantane is a binary inorganic compound of lanthanum and silver with the formula Ag 51 La 14 , crystals.

Genpentactontaserebrotetradecalantan
Are common
Systematic
name
Genpentactontaserebrotetradecalantan
Traditional namesTetradecalantangenpentactontasilver
Chem. formulaAg 51 La 14
Rat formulaLa 14 Ag 51
Physical properties
conditioncrystals
Molar mass7445.96 g / mol
Density8.9 g / cm³
Thermal properties
T. melt.1000 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances:
14La+51Ag→1000oCAg51La14{\ displaystyle {\ mathsf {14La + 51Ag \ {\ xrightarrow {1000 ^ {o} C}} \ Ag_ {51} La_ {14}}}}  

Physical Properties

Genepentactontaserebrotetradecalantan forms hexagonal crystals, space group P 6 / m , cell parameters a = 1.2955 nm , c = 0.9525 nm , Z = 1 , tetradecadadolinium pentactontact silver type structure Gd 14 Ag 51 [1] [2] [3] [ 4] [5] .

The compound melts congruently at a temperature of 1000 ° C [1] (1005 ° C [4] , 1010 ° C [2] ) and has a homogeneity region of 21.5–25 at.% Lanthanum.

Notes

  1. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Mechanical Engineering, 1996. - T. 1. - 992 p. - ISBN 5-217-02688-X .
  2. ↑ 1 2 B. Predel. Ag-La (Silver-Lanthanum) // Landolt-Börnstein - Group IV Physical Chemistry. - 1991 .-- T. 5a . - S. 1-5 . - DOI : 10.1007 / 10000866_39 .
  3. ↑ B. Predel. Ag-La (Silver-Lanthanum) // Landolt-Börnstein - Group IV Physical Chemistry. - 2006. - T. 12A . - S. 1 . - DOI : 10.1007 / 10793176_41 .
  4. ↑ 1 2 KA Gschneidner, FW Calderwood. The Ag − La (Silver-Lanthanum) system // Bulletin of Alloy Phase Diagrams. - 1983. - T. 4 , No. 4 . - S. 370-374 . - DOI : 10.1007 / BF02868082 .
  5. ↑ H. Okamoto. Ag-La (silver-lanthanum) // Journal of Phase Equilibria. - 2001 .-- T. 22 . - S. 688 . - DOI : 10.1007 / s11669-001-0044-8 .


Source - https://ru.wikipedia.org/w/index.php?title=Gentpentactaserebrotetradecalantan &oldid = 80937732


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