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Promethium(III) sulfide

Promethium(III) sulfide
Names
Other names
Dipromethium trisulfide
Identifiers
3D model (JSmol)
  • InChI=1S/2Pm.3S/q2*+3;3*-2
    Key: DWKHKOHUCVHMOJ-UHFFFAOYSA-N
  • [Pm+3].[Pm+3].[S-2].[S-2].[S-2]
Properties
Pm2S3
Molar mass 386 g·mol−1
Appearance garnet red crystals
Density g/cm3
Structure
orthorhombic
Related compounds
Related compounds
 Lanthanum(III) sulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Promethium(III) sulfide is a binary inorganic compound with the chemical formula Pm2S3.

Synthesis

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The compound can be prepared by reacting promethium and sulfur in stoichiometric amounts at 500 °C:[citation needed]

2 Pm + 3 S → Pm2S3

Physical properties

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The compound forms garnet red crystals of the orthorhombic system, space group I43d[1] and exists in α and β forms.[2]

References

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  1. ^ Vassiliev, Valery P.; Lysenko, Valery A.; Gaune-Escard, Marcelle (1 June 2019). "Relationship of thermodynamic data with Periodic Law". Pure and Applied Chemistry. 91 (6): 879–893. doi:10.1515/pac-2018-0717. ISSN 1365-3075. Retrieved 27 July 2024.
  2. ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3779. ISBN 978-0-412-30120-9. Retrieved 27 July 2024.