Promethium(III) sulfide explained

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

Synthesis

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

Physical properties

The compound forms garnet red crystals of the orthorhombic system, space group I3d^[1] and exists in α and β forms.^[2]

Notes and References

1. Vassiliev . Valery P. . Lysenko . Valery A. . Gaune-Escard . Marcelle . Relationship of thermodynamic data with Periodic Law . Pure and Applied Chemistry . 1 June 2019 . 91 . 6 . 879–893 . 10.1515/pac-2018-0717 . 27 July 2024 . en . 1365-3075. free .
2. Book: Macintyre . Jane E. . Dictionary of Inorganic Compounds . 23 July 1992 . . 978-0-412-30120-9 . 3779 . 27 July 2024 . en.