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Pentapalladium trigallium

Pentapalladiumtrigallium is a binary inorganic compound of palladium and gallium with the formula Ga 3 Pd 5 , crystals.

Pentapalladium trigallium
Are common
Systematic
name
Pentapalladium trigallium
Traditional namesTrigallium Pentapalladium
Chem. formulaPd 5 Ga 3
Rat formulaGa 3 Pd 5
Physical properties
conditioncrystals
Molar mass741.27 g / mol
Density10.7 g / cmΒ³
Thermal properties
T. decomp.1020 Β° C [1]
Classification
Reg. CAS number61232-72-2

Content

Getting

  • Fusion of stoichiometric amounts of pure substances:
fivePd+3Gaβ†’1020oCGa3Pdfive{\ displaystyle {\ mathsf {5Pd + 3Ga \ {\ xrightarrow {1020 ^ {o} C}} \ Ga_ {3} Pd_ {5}}}}  

Physical Properties

Pentapalladiumtrigallium forms rhombic syngony crystals, space group P bam , cell parameters a = 0.5500 nm, b = 1.0535 nm, c = 0.4408 nm, Z = 2, pentarodiumtrigallium- type structure Ga 3 Rh 5 [1] [2 ] ] [3] .

The compound is formed by a peritectic reaction at a temperature of 1020 Β° C [1] .

Application

  • Component of catalysts [4] .

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. ↑ H. Okamoto. Ga-Pd (Gallium-Palladium) // Journal of Phase Equilibria and Diffusion. - 2008. - T. 29 , No. 5 . - S. 466-467 . - DOI : 10.1007 / s11669-008-9363-3 .
  3. ↑ B. Predel. Ga-Pd (Gallium-Palladium) // Landolt-BΓΆrnstein - Group IV Physical Chemistry. - 1996. - T. 5f . - S. 1-3 . - DOI : 10.1007 / 10501684_1387 .
  4. ↑ Liandi Li, Bingsen Zhang, Edward Kunkes, Karin Foettinger, Marc Armbruester, Dang Sheng Su, Wei Wei, Robert Schloegl, Malte Behrens. Ga-Pd / Ga 2 O 3 Catalysts: The Role of Gallia Polymorphs, Intermetallic Compounds, and Pretreatment Conditions on Selectivity and Stability in Different Reactions // ChemCatChem. - 2012. - T. 4 , No. 11 . - S. 1764-1775 . - DOI : 10.1002 / cctc.201200268 .


Source - https://ru.wikipedia.org/w/index.php?title= Pentapalladium trihallium&oldid = 84640407


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