Terbium oxyfluoride

Terbium oxyfluoride

Names
IUPAC name oxygen(2-); terbium(3+); fluoride
Other names Terbium oxide fluoride
Identifiers
CAS Number	21031-92-5  Y
3D model (JSmol)	Interactive image
ChemSpider	10759990
PubChem CID	22023124
InChI InChI=1S/FH.O.Tb/h1H;;/q;-2;+3/p-1 Key: JKFPFLINCNVUOW-UHFFFAOYSA-M
SMILES [O-2].[F-].[Tb+3]
Properties
Chemical formula	FOTb
Molar mass	193.923 g·mol−1
Appearance	White crystalline solid
Solubility in water	Insoluble
Related compounds
Related compounds	Praseodymium oxyfluoride, Lanthanum oxyfluoride, Samarium oxyfluoride
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H312, H315, H319, H331, H335
Precautionary statements	P261, P280, P304, P305, P338, P340, P351, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Terbium oxyfluoride or terbium oxide fluoride is an inorganic compound of terbium, oxygen, and fluorine with the chemical formula TbOF. ^[1]

Synthesis

the compound can be formed as a result of the hydrolysis of terbium(IV) fluoride in water. ^{[2] [3]}

Physical properties

The compound forms a white crystalline solid. ^[1]

Uses

Terbium oxyfluoride nanoparticles have been synthesized and studied for their magneto-optical properties. ^[2]

References

1. "Terbium Fluoride Oxide | CAS 21031-92-5 | TbOF | AMERICAN ELEMENTS ®". American Elements . Retrieved 8 July 2025.
2. Kawashima, Akira; Nakanishi, Takayuki; Kitagawa, Yuichi; Fujita, Koji; Tanaka, Katsuhisa; Fushimi, Koji; Malik, Mohammad A; O’Brien, Paul; Hasegawa, Yasuchika (15 October 2015). "Terbium Oxide, Fluoride, and Oxyfluoride Nanoparticles with Magneto-optical Properties". Bulletin of the Chemical Society of Japan . 88 (10): 1453–1458. doi:10.1246/bcsj.20150198 . Retrieved 8 July 2025.
3. Aesar (Firm), Alfa (2003). Research Chemicals, Metals and Materials. Alfa Aesar. p. 1073. Retrieved 8 July 2025.