Promethium(III) sulfide
| Names | |
|---|---|
| Other names Dipromethium trisulfide | |
| Identifiers | |
3D model (JSmol) | |
| |
| |
| 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
[edit]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
[edit]The compound forms garnet red crystals of the orthorhombic system, space group I43d[1] and exists in α and β forms.[2]
References
[edit]- ^ 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.
- ^ Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3779. ISBN 978-0-412-30120-9. Retrieved 27 July 2024.