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Dekastannid Undekagadoliniya

Dekastannid Undecagadolinium is a binary intermetallic inorganic compound of gadolinium and tin with the formula Gd 11 Sn 10 crystals.

Dekastannid Undekagadoliniya
Are common
Systematic
name
Dekastannid Undekagadoliniya
Chem. formulaGd 11 Sn 10
Rac formulaSn 10 Gd 11
Physical properties
conditioncrystals
Molar mass2916.85 g / mol
Density8.2 g / cm³
Thermal properties
T.1095 ° C
Education enthalpy-81.2 [1] kJ / mol

Getting

  • Fusion of stoichiometric amounts of pure substances:
elevenGd+tenSn→1095oCGdelevenSnten{\ displaystyle {\ mathsf {11Gd + 10Sn \ {\ xrightarrow {1095 ^ {o} C}} \ Gd_ {11} Sn_ {10}}}  

Physical Properties

Dekastannid undecagadolinium forms crystals of the tetragonal system , space group I 4 / mmm , cell parameters a = 1.167 nm, c = 1.715 nm, Z = 4, structure of undekagolmiydegermaniya Ho 11 Ge 10 [2] [3] [4] [5] .

The compound is formed by a peritectic reaction at a temperature of 1095 ° С [3] [5] (1521 ° С [1] ).

Notes

  1. ↑ 1 2 Shevchenko M. A., Ivanov M. I., Berezutsky V. V., Sudavtsova V. S. Thermodynamic properties of the melts of the Gd-Sn, Sm-Sn binary systems // News of Donbas State Power Machinery Academy. - 2014. - V. 32 , № 1 . - p . 158-162 .
  2. ↑ State Diagrams of Double Metallic Systems / Ed. N. P. Lyakishev. - M .: Metallurgy, 1997. - T. 2. - 1024 p. - ISBN 5-217-01569-1 .
  3. ↑ 1 2 B. Predel. Gd-Sn (Gadolinium-Tin) // Landolt-Börnstein - Group IV Physical Chemistry. - 1996. - T. 5f . - pp . 1-3 . - DOI : 10.1007 / 10501684_1453 .
  4. ↑ B. Predel. Gd - Sn (Gadolinium - Tin) // Landolt-Börnstein - Group IV Physical Chemistry. - 2013. - pp . 128-129 . - DOI : 10.1007 / 978-3-642-24778-1_82 .
  5. ↑ 1 2 A. Palenzona, S. Cirafici. The gd-sn (gadolinium-tin) system // Journal of Phase Equilibria. - 1991. - Vol. 12 , No. 6 . - p . 690-695 . - DOI : 10.1007 / BF02645175 .


Source - https://ru.wikipedia.org/w/index.php?title=Decastant_undecadolinium&oldid=80362770


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