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Contents

   



(Top)
  


1 Preparation  




2 Properties  




3 References  













Cerium monoselenide






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From Wikipedia, the free encyclopedia
  

Cerium monoselenide
Identifiers

CAS Number

3D model (JSmol)

  • InChI=1S/Ce.Se

    Key: LNUVLVYMHRNGRT-UHFFFAOYSA-N

  • [Se].[Ce]

Properties

Chemical formula

 CeSe
Appearance purple solid[1]
Structure

Crystal structure

 NaCl-type (cubic)

Space group

 Fm3m (No. 225)
Related compounds

Other anions

 Cerium monosulfide
Cerium monotelluride

Related compounds

 Cerium selenide

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Cerium monoselenide is an inorganic compound with the chemical formula CeSe. It exists in the form of Ce3+Se2−(e−).[2]

Preparation[edit]

Cerium monoselenide can be obtained by reducing cerium selenide with metallic sodium at 600 °C (orcalcium at 1000 °C):[2]

Ce2Se3 + 2Na → 2CeSe + Na2Se

The reduction of cerium selenide by cerium dihydride can also produce cerium monoselenide:[1]

Ce2Se3 + CeH2 → 3 CeSe + H2↑

Properties[edit]

Like many other rare earth monochalcogenides, Cerium monoselenide has metallic-type electrical conductivity and a NaCl-type crystal structure.[3]

References[edit]

  1. ^ a b Obolonchik, V. A.; Mikhlina, T. M. Synthesis of rare earth metal monoselenides(in Russian). Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, 1968. 4(2): 287-8. ISSN:0002-337X
  • ^ a b 洪广言. 现代化学基础丛书 第36卷 稀土化学导论. 北京: 科学出版社, 2014. pp. 62-63. 2. 稀土硒化物 ISBN 978-7-03-040581-4
  • ^ Smolensky, G. A.; Adamjan, V. E.; Loginov, G. M. (1968-02-01). "Antiferromagnetic Properties of Light Rare Earth Monochalcogenides". Journal of Applied Physics. 39 (2). AIP Publishing: 786–790. doi:10.1063/1.2163619. ISSN 0021-8979.

    • Retrieved from "https://en.wikipedia.org/w/index.php?title=Cerium_monoselenide&oldid=1161776535"
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