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Tripalladium

Tripalladium - uranium is a binary inorganic compound of palladium and uranium with the formula UPd 3 , crystals.

Tripalladium
Are common
Systematic
name
Tripalladium
Traditional namesUrantripalladium
Chem. formulaPd 3 u
Rat formulaUPd 3
Physical properties
conditioncrystals
Molar mass557.29 g / mol
Density13.2 g / cm³
Thermal properties
T. melt.1640 ° C
Like heat resistant.102 [1] J / (mol · K)
Enthalpy of Education-537 [1] kJ / mol
Classification
Reg. CAS number12038-03-8
Smiles

Getting

  • Fusion of stoichiometric amounts of pure substances:
3Pd+U→1640oCUPd3{\ displaystyle {\ mathsf {3Pd + U \ {\ xrightarrow {1640 ^ {o} C}} \ UPd_ {3}}}}  

Physical Properties

Tripalladium-uranium forms crystals of hexagonal syngony , space group P 6 3 / mmc , cell parameters a = 0.5769 nm, c = 0.9640 nm, Z = 4, triniceltan type structure Ni 3 Ti [2] [3] [4] [ 5] .

The compound melts congruently at a temperature of 1640 ° C [2] .

Notes

  1. ↑ 1 2 G. Wijbenga. Thermochemical Investigations on Intermetallic UMe 3 Compounds (Me = Ru, Rh, Pd) . - Netherlands Energy Research Foundation, 1981. - T. ECN-102. - 201 p.
  2. ↑ 1 2 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .
  3. ↑ H. Okamoto. Pd-U (palladium-uranium) // Journal of Phase Equilibria. - 1992. - T. 13 , No. 2 . - S. 222-223 . - DOI : 10.1007 / BF02667500 .
  4. ↑ H. Okamoto. Pd-U (palladium-uranium) // Journal of Phase Equilibria. - 1993. - T. 14 , No. 2 . - S. 264-265 . - DOI : 10.1007 / BF02667829 .
  5. ↑ B. Predel. Pd-U (Palladium-Uranium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1998 .-- T. 5I . - S. 1-2 . - DOI : 10.1007 / 10542753_2457 .



Source - https://ru.wikipedia.org/w/index.php?title= Tripalladium - uranium&oldid = 80371524


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