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Trurtut Samaria

Tritrutasamarium is a binary inorganic compound of samarium and mercury with the formula SmHg 3 , crystals.

Trurtut Samaria
Are common
Systematic
name
Trurtut Samaria
Traditional namesSamariaitrutrut; amalgam samaria
Chem. formulaSmhg 3
Rat formulaHg 3 sm
Physical properties
conditioncrystals
Molar mass752.13 g / mol
Density13.3 g / cm³
Thermal properties
T. decomp.400 ° C

Getting

  • Fusion of stoichiometric amounts of pure substances in an inert atmosphere:
Sm+3Hg→400oCSmHg3{\ displaystyle {\ mathsf {Sm + 3Hg \ {\ xrightarrow {400 ^ {o} C}} \ SmHg_ {3}}}}  

Physical Properties

Tritrutosamarium forms crystals of hexagonal syngony , space group P 6 3 / mmc , cell parameters a = 0.6632 nm, c = 0.4909 nm, Z = 2, cadmium magnesium type structure CdMg 3 [1] [2] [3] .

The compound is formed by a peritectic reaction at a temperature of 400 ° C [1] .

Notes

  1. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
  2. ↑ C. Guminski. The Hg-Sm (mercury-samarium) system // Journal of Phase Equilibria. - 1995. - T. 16 , No. 1 . - S. 86-91 . - DOI : 10.1007 / BF02646256 .
  3. ↑ B. Predel. Hg-Sm (Mercury-Samarium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1-2 . - DOI : 10.1007 / 10506626_1650 .


Source - https://ru.wikipedia.org/w/index.php?title=Trirtut Samaria&oldid = 80371728


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