Managnese(II) selenide is an inorganic compound with the

chemical formula In chemistry, a chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbol ...

MnSe. Manganese(II) selenide can be synthesized by the reaction of

selenium Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, ...

powder and manganese(II) acetate in an alkaline solution with a

reducing agent In chemistry, a reducing agent (also known as a reductant, reducer, or electron donor) is a chemical species that "donates" an electron to an (called the , , , or ). Examples of substances that are commonly reducing agents include the Earth me ...

such as hydrazine at 180°C. Manganese selenide exists in three different polymorphs: the stable α-phase ( NaCl type), the metastable γ-phase ( wurtzite type) and unstable β phase ( zincblende type).

References

Manganese(II) compounds Selenides Rock salt crystal structure {{Inorganic-compound-stub