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Diplutonium heptagallium

Diplutonium heptagallium is a binary inorganic compound of plutonium and gallium with the formula Ga 7 Pu 2 , crystals.

Diplutonium heptagallium
Are common
Systematic
name
Diplutonium heptagallium
Chem. formulaGa 7 Pu 2
Rat formulaPu 2 Ga 7
Physical properties
conditioncrystals
Molar mass976.06 g / mol
Density9.2 g / cmΒ³
Thermal properties
T. decomp.200 [1] [2] ; 192 [3]
Enthalpy of Education-59 [3] kJ / mol

Content

Getting

  • Fusion of stoichiometric amounts of pure substances:
2Pu+7Gaβ†’200oCGa7Pu2{\ displaystyle {\ mathsf {2Pu + 7Ga \ {\ xrightarrow {200 ^ {o} C}} \ Ga_ {7} Pu_ {2}}}}  

Physical Properties

Diplutonium heptagallium forms tetragonal crystal crystals, the cell parameters a = 0.4257 nm, c = 0.9695 nm, Z = 1 [1] [4] .

The compound is formed by a peritectoid reaction at a temperature of 200 Β° C [1] .

Chemical Properties

  • Decomposes on heating:
2Ga7Pu2β†’>200oCGaelevenPu3+Ga3Pu{\ displaystyle {\ mathsf {2Ga_ {7} Pu_ {2} \ {\ xrightarrow {> 200 ^ {o} C}} \ Ga_ {11} Pu_ {3} + Ga_ {3} Pu}}}  

Notes

  1. ↑ 1 2 3 State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
  2. ↑ DE Peterson, ME Kassner. The Ga βˆ’ Pu (Gallium-Plutonium) system // Bulletin of Alloy Phase Diagrams. - 1988. - T. 9 , No. 3 . - S. 261-267 . - DOI : 10.1007 / BF02881277 .
  3. ↑ 1 2 Patrice EA Turchi, Larry Kaufman, Zi-Kui Liu, Shihuai Zhou. Thermodynamics and Kinetics of Phase Transformations in Plutonium Alloys - Part I. - 2004.
  4. ↑ The Chemistry of the Actinide and Transactinide Elements / Lester R. Morss, Norman M. Edelstein, J. Fuger. - Springer, 2010. - T. 2. - ISBN 978-94-007-0210-3 .


Source - https://ru.wikipedia.org/w/index.php?title=Diplutonium heptagallium&oldid = 84640194


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