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Heptapalladium tetraselenide

Heptapalladium tetraselenide is a binary inorganic compound of palladium and selenium with the formula Pd 7 Se 4 , crystals.

Heptapalladium tetraselenide
Are common
Systematic
name
Heptapalladium tetraselenide
Traditional namesPalladium selenium
Chem. formulaPd 7 Se 4
Physical properties
conditioncrystals
Molar mass1060.78 g / mol
Density9.3 g / cm³
Thermal properties
T.514 ° C

Content

Getting

  • Fusion of stoichiometric amounts of pure substances:
7Pd+fourSe→415oCPd7Sefour{\ displaystyle {\ mathsf {7Pd + 4Se \ {\ xrightarrow {415 ^ {o} C}} \ Pd_ {7} Se_ {4}}}}  

Physical Properties

Heptapalladium tetraselenide forms rhombic syngony crystals, space group P 2 1 2 1 2 1 , cell parameters a = 1.0162 nm, b = 0.6863 nm, c = 0.5375 nm, Z = 2.

Notes

Literature

  • State diagrams of double metal systems / Ed. N. P. Lyakishev. - M .: Engineering, 2001. - T. 3 Book 1. - 972 p. - ISBN 5-217-02843-2 .


Source - https://ru.wikipedia.org/w/index.php?title= Heptapalladium tetraselenide&oldid = 86663144


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Clever Geek | 2019