Chemistry:Holmium(III) selenide

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Holmium(III) selenide
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 235-303-9
Properties
Ho2Se3
Molar mass 566.774 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Holmium(III) selenide is an inorganic compound with the chemical formula Ho2Se3.

Preparation

Holmium(III) selenide can be obtained from the reaction of holmium and selenium (in the presence of iodine):[1]

2 Ho + 3 Se → Ho
2
Se
3

It can also be prepared by reacting holmium oxide and hydrogen selenide at high temperature.[2]

Ho
2
O
3
+ 3 H
2
Se → Ho
2
Se
3
+ 3 H
2
O

Properties

Holmium(III) selenide can form orthorhombic AgHoSe2 in the binary system of silver selenide.[3]

References

  1. M.A. Bespyatov, A.E. Musikhin, V.N. Naumov, L.N. Zelenina, T.P. Chusova, R.E. Nikolaev, N.G. Naumov (March 2018). "Low-temperature thermodynamic properties of holmium selenide (2:3)" (in en). The Journal of Chemical Thermodynamics 118: 21–25. doi:10.1016/j.jct.2017.10.013. https://linkinghub.elsevier.com/retrieve/pii/S0021961417303804. Retrieved 2023-06-13. 
  2. Guittard, Micheline; Benacerraf, A.; Flahaut, J. Selenides L2Se3 and L2Se4 of rare earth elements. Ann. Chim. (Paris), 1964. 9 (1-2): 25-34. CAN61: 38017.
  3. Julien-Pouzol, M.; Guittard, M. Crystallochemical study of the ternary silver-rare earth-sulfur or selenium compounds situated along the silver chalcogenide-lanthanide(III) chalcogenide binary systems. Annales de Chimie (Paris, France), 1973. 8 (2): 139-145. ISSN 0151-9107.