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Manganese(II) selenide

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Manganese(II) selenide
Mn2+ Se2−
Names
IUPAC name
Manganese(II) selenide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.822 OOjs UI icon edit-ltr-progressive.svg
EC Number
  • 215-203-1
PubChem CID
UNII
  • InChI=1S/Mn.Se
    Key: UMUKXUYHMLVFLM-UHFFFAOYSA-N
  • [Mn+2].[Se-2]
Properties
MnSe
Molar mass 133.9 g/mol
Appearancegray solid
Density 5.59 g/cm3 (20 °C)
Melting point 1,460 °C (2,660 °F; 1,730 K)
insoluble
Structure
cubic, cF8
Fm3m (No. 225)
Octahedral
Related compounds
Other anions
Manganese(II) oxide
Manganese(II) sulfide
Manganese(II) telluride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Manganese(II) selenide is an inorganic compound with the chemical formula MnSe. It is a dense gray solid that dissolves only by reaction.

Manganese(II) selenide can be synthesized by the reaction of selenium powder and manganese(II) acetate in an alkaline solution with a reducing agent such as hydrazine at 180°C. [1]

Manganese selenide exists in three polymorphs. Most common is the stable α-phase (NaCl type). [2] There is also a metastable γ-phase (wurtzite type) and an unstable β phase (zincblende type). [1]

References

  1. 1 2 Hussain, Raja Azadar; Hussain, Iqtadar (2020-11-25). "Manganese selenide: Synthetic aspects and applications" . Journal of Alloys and Compounds. 842 155800. doi:10.1016/j.jallcom.2020.155800. ISSN   0925-8388. S2CID   219919862.
  2. ↑ Juza, Robert; Rabenau, Albrecht; Pascher, Gertrud (1956). "Über feste Lösungen in den Systemen ZnS/MnS, ZnSe/MnSe und ZnTe/MnTe". Zeitschrift für Anorganische und Allgemeine Chemie. 285 (1–2): 61–69. doi:10.1002/zaac.19562850107.


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