Tripalladium selenide

Tripalladium selenide
Tripalladium selenide
Are common
Systematic ; name	Tripalladium selenide
Traditional names	Seleny palladium
Chem. formula	Pd 3 se
Physical properties
condition	crystals
Molar mass	398.22 g / mol
Density	10.65 g / cm³
Thermal properties
T.	430 ° C

Tripalladium selenide is a binary inorganic compound of palladium and selenium with the formula Pd ₃ Se, crystals.

Content

Getting

Fusion of stoichiometric amounts of pure substances:

{\mathsf {3Pd+Se\ {\xrightarrow {430^{o}C}}\ Pd_{3}Se}}

{\ displaystyle {\ mathsf {3Pd + Se \ {\ xrightarrow {430 ^ {o} C}} \ Pd_ {3} Se}}}

Physical Properties

Tripalladium selenide forms crystals of the Pd ₃₄ Se ₁₁ composition of the monoclinic syngony , space group P 2 ₁ / n , cell parameters a = 2.1413 nm, b = 0.5504 nm, c = 1.2030 nm, β = 99.44 °, Z = 2 ^[1] .

At a temperature of 2.66 K, it passes into the superconducting state ^[2] .

Notes

↑ S. Sato, T. Takabatake, M. Ishikawa. Structures of superconducting palladium selenides, Pd ₇ Se ₂ and Pd ₃₄ Se ₁₁ // Acta Cryst .. - 1989. - T. C45 , No. 1 . - pp . 1-3 . - DOI : 10.1107 / S0108270188009825 .
↑ T. Takabatake, M. Ishikawa, JL Jorda. Superconductivity and Pd-Se system // Journal of the Less Common Metals. - 1987. - T. 134 , № 1 . - p . 79–89 . - DOI : 10.1016 / 0022-5088 (87) 90444-9 .

Literature

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

[1] S. Sato, T. Takabatake, M. Ishikawa. Structures of superconducting palladium selenides, Pd ₇ Se ₂ and Pd ₃₄ Se ₁₁ // Acta Cryst .. - 1989. - T. C45 , No. 1 . - pp . 1-3 . - DOI : 10.1107 / S0108270188009825 .

[2] T. Takabatake, M. Ishikawa, JL Jorda. Superconductivity and Pd-Se system // Journal of the Less Common Metals. - 1987. - T. 134 , № 1 . - p . 79–89 . - DOI : 10.1016 / 0022-5088 (87) 90444-9 .