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Trirodiyuran

Trirodiyuran is a binary inorganic compound of uranium and rhodium with the formula Rh 3 U, crystals.

Trirodiyuran
Are common
Systematic
name
Trirodiyuran
Traditional namesUrantrirodium
Chem. formulaRh 3 U
Rat formulaUrh 3
Physical properties
conditioncrystals
Molar mass546.75 g / mol
Density14.2 g / cm³
Thermal properties
T. melt.1700 ° C
Enthalpy of Education-297 [1] kJ / mol

Getting

  • Sintering of stoichiometric amounts of pure substances:
U+3Rh→1700oCRh3U{\ displaystyle {\ mathsf {U + 3Rh \ {\ xrightarrow {1700 ^ {o} C}} \ Rh_ {3} U}}}  

Physical Properties

Trirodiyuran forms crystals of cubic syngony , space group P m 3 m , cell parameters a = 0.3992 nm, Z = 1, structure like tri - gold AuCu 3 [2] [3] .

The compound melts congruently at a temperature of 1700 ° C [2] .

Notes

  1. ↑ Heiko Kleykamp. Thermodynamics of the uranium-platinum metals systems // Pure & Appl. Chem .. - 1991. - T. 63 , No. 10 . - S. 1401-1408 .
  2. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
  3. ↑ B. Predel. Rh-U (Rhodium-Uranium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - T. 5 J. - S. 1-2 . - DOI : 10.1007 / 10551312_2625 .


Source - https://ru.wikipedia.org/w/index.php?title=Trirodiyuran&oldid=80935123


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