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Pentarodiytricirconium

Pentarodiytricirconium is a binary inorganic compound of rhodium and zirconium with the formula Rh 5 Zr 3 , crystals.

Pentarodiytricirconium
Are common
Systematic
name
Pentarodiytricirconium
Traditional namesTricyrconium pentarodium
Chem. formulaRh 5 Zr 3
Rac formulaZr 3 Rh 5
Physical properties
conditioncrystals
Molar mass788.20 g / mol
Density10.1 g / cm³
Thermal properties
T.1790 ° C
Education enthalpy-626 [1] kJ / mol
Classification
Reg. CAS number37382-12-0

Getting

  • Fusion of stoichiometric amounts of pure substances:
fiveRh+3Zr→1790oCRhfiveZr3{\ displaystyle {\ mathsf {5Rh + 3Zr \ {\ xrightarrow {1790 ^ {o} C}} \ Rh_ {5} Zr_ {3}}} {\displaystyle {\mathsf {5Rh+3Zr\ {\xrightarrow {1790^{o}C}}\ Rh_{5}Zr_{3}}}}

Physical Properties

Pentarodiytricirconium forms crystals of the rhombic syngony , space group C mcm , cell parameters a = 0.85634 nm, b = 0.69860 nm, c = 0.86218 nm, Z = 4, the structure of the pentapalladium triplutonium type Pu 3 Pd 5 [2] [3 ] [4] [5] .

The compound is formed by the peritectic reaction at a temperature of 1790 ° C [2] (1780 ° C [3] ).

Notes

  1. ↑ Gus LW Hart, Stefano Curtarolo, Thaddeus B. Massalski, Ohad Levy. An overview of the platinum-group alloy systems // Phys. Rev. X. - 2013. - T. 3 . - p . 041035 . - DOI : 10.1103 / PhysRevX.3.041035 .
  2. ↑ 1 2 State diagrams of double metallic systems / Ed. N. P. Lyakishev. - M .: Mashinostroenie, 2000. - T. 3 Book 2. - 448 p. - ISBN 5-217-02932-3 .
  3. ↑ 1 2 B. Predel. Rh-Zr (Rhodium-Zirconium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998. - V. 5 J. - pp . 1-3 . - DOI : 10.1007 / 10551312_2631 .
  4. ↑ H. Okamoto. Rh-Zr (Rhodium-Zirconium) // Journal of Phase Equilibria and Diffusion. - 2004. - Vol. 25 , No. 5 . - p . 486-487 . - DOI : 10.1007 / s11669-004-0147-0 .
  5. ↑ D. Arias, JP Abriata. The Rh-Zr (rhodium-zirconium) system // Journal of Phase Equilibria. - 1993. - V. 14 , № 1 . - S. 110-117 . - DOI : 10.1007 / BF02652169 .


Source - https://ru.wikipedia.org/w/index.php?title=Pentaritsirconium&oldid=80935148


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