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Triselide digolmiya

Digolmium trislenide is a binary inorganic compound of holmium and selenium with the formula Ho 2 Se 3 , crystals.

Triselide digolmiya
Are common
Systematic
name
Triselide digolmiya
Traditional namesSelenium Holmium
Chem. formulaHo 2 se 3
Physical properties
conditioncrystals
Molar mass566.74 g / mol
Density6.7 g / cm³
Classification
Reg. CAS number12162-60-6
Reg. EINECS number235-303-9

Getting

  • Heating of pure substances:
2Ho+3Se→THo2Se3{\ displaystyle {\ mathsf {2Ho + 3Se \ {\ xrightarrow {T}} \ Ho_ {2} Se_ {3}}}}  

Physical Properties

Digolmium trislenide forms rhombic syngony crystals, space group F ddd , cell parameters a = 1.1380 nm , b = 0.8110 nm , c = 2.4279 nm , Z = 16 [1] [2] .

Notes

  1. ↑ State Diagrams of Double Metal Systems / Ed. N.P. Lyakisheva. - M .: Metallurgy, 1997 .-- T. 2 .-- 1024 p. - ISBN 5-217-01569-1 .
  2. ↑ B. Predel. Ho-Se (Holmium-Selenium) // Landolt-Börnstein - Group IV Physical Chemistry. - 1997. - T. 5G . - S. 1 . - DOI : 10.1007 / 10506626_1695 .


Source - https://ru.wikipedia.org/w/index.php?title=Triselenide_digolmy&oldid=80371831


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