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General Pentacontaseretetradecholm

Genepentactontaserebrotetradecagolium is a binary inorganic compound of holmium and silver with the formula Ag 51 Ho 14 , crystals.

General Pentacontaseretetradecholm
Are common
Systematic
name
General Pentacontaseretetradecholm
Traditional namesTetradecagolmiumigenpentactontasilver
Chem. formulaAg 51 Ho 14
Rat formulaHo 14 Ag 51
Physical properties
conditioncrystals
Molar mass7810.30 g / mol
Density10.2 g / cm³
Thermal properties
T. melt.920 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances:
14Ho+51Ag→920oCAg51Ho14{\ displaystyle {\ mathsf {14Ho + 51Ag \ {\ xrightarrow {920 ^ {o} C}} \ Ag_ {51} Ho_ {14}}}}  

Physical Properties

The pentactactas silvertetradecalmium gene forms hexagonal crystals, space group P 6 / m , cell parameters a = 1.2579 nm , c = 0.9229 nm , Z = 1 , tetradecadadolinium pentact silver silver structure Gd 14 Ag 51 [1] [2] [3] .

The compound melts congruently at a temperature of 920 ° C [1] and has a homogeneity region of 21–24.5 at.% Holmium.

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. ↑ B. Predel. Ag-Ho (Silver-Holmium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1991 .-- T. 5a . - S. 1-2 . - DOI : 10.1007 / 10000866_34 .
  3. ↑ KA Gschneidner, FW Calderwood. The Ag − Ho (Silver-Holmium) System // Bulletin of Alloy Phase Diagrams. - 1985. - T. 6 , No. 2 . - S. 140-141 . - DOI : 10.1007 / BF02869228 .


Source - https://ru.wikipedia.org/w/index.php?title=Gentpentactaserebrotetradecolmium&oldid=80937662


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