Erbium oxyfluoride

Erbium oxyfluoride

Names
IUPAC name fluoro(oxo)erbium
Other names Erbium oxide fluoride
Identifiers
CAS Number	13825-13-3  Y
3D model (JSmol)	Interactive image
ChemSpider	28294928
EC Number	678-684-0
PubChem CID	134068136
InChI InChI=1S/Er.FH.O/h;1H;/q+3;;-2/p-1 Key: WHNBDFNXKDUDPO-UHFFFAOYSA-M
SMILES [O-2].[F-].[Er+3]
Properties
Chemical formula	ErFO
Molar mass	202.256 g·mol−1
Appearance	Light red crystalline powder
Structure
Crystal structure	orthorhombic, rhombohedral
Related compounds
Related compounds	Lanthanum oxyfluoride, Neodymium oxyfluoride, Samarium oxyfluoride
Hazards
GHS labelling:
Signal word	Danger
Hazard statements	H302, H312, H315, H319, H331, H335
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Erbium oxyfluoride or erbium oxide fluoride is an inorganic compound of erbium, oxygen, and fluorine with the chemical formula ErOF. ^{[1] [2]}

Physical properties

The compound forms crystals of orthorhombic and rhombohedral structures. The irreversible phase transition from O-ErOF to R-ErOF was observed under heating around 600 °C. ^[3]

References

1. "Erbium Fluoride Oxide". American Elements . Retrieved 7 July 2025.
2. Podberezskaya, N. V.; Batsanova, L. R.; Egorova, L. S. (1 November 1965). "Production of the oxyfluorides of holmium, erbium, and ytterbium and study of their crystal-chemical properties". Journal of Structural Chemistry. 6 (6): 815–818. Bibcode:1965JStCh...6..815P. doi:10.1007/BF00747101 . Retrieved 7 July 2025.
3. Wen, Ting; Ding, Ruixian; Zhou, Yannan; Si, Yubing; Yang, Baocheng; Wang, Yonggang (2017). "Polymorphism of Erbium Oxyfluoride: Selective Synthesis, Crystal Structure, and Phase-Dependent Upconversion Luminescence". European Journal of Inorganic Chemistry . 2017 (32): 3849–3854. doi:10.1002/ejic.201700658. ISSN   1099-0682 . Retrieved 7 July 2025.