Cerium monoselenide

Cerium monoselenide is an inorganic compound with the chemical formula CeSe. It exists in the form of Ce³⁺Se²⁻.

Preparation

Cerium monoselenide can be obtained by reducing cerium selenide with metallic sodium at 600 °C :
The reduction of cerium selenide by cerium dihydride can also produce cerium monoselenide:

Properties

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