Barium chloride fluoride

Barium chloride fluoride is an inorganic chemical compound of barium, chlorine, and fluorine.^[1] Its chemical formula is BaClF.^[2][3] The compound naturally occurs as zhangpeishanite mineral of the matlockite group.^[4] One of the deposits where the mineral is mined is Bayan Obo in China.^[5]

Barium chloride fluoride

Names
Other names Barium chlorofluoride, barium fluorochloride
Identifiers
CAS Number	13718-55-3
3D model (JSmol)	Interactive image
ChemSpider	75508
ECHA InfoCard	100.033.874
EC Number	237-277-4
PubChem CID	83685
CompTox Dashboard (EPA)	7065598
InChI InChI=1S/Ba.ClH.FH/h;2*1H/q+2;;/p-2 Key: RBRFDGCVTRKUEW-UHFFFAOYSA-L
SMILES [F-].[Cl-].[Ba+2]
Properties
Chemical formula	BaClF
Molar mass	191.78 g·mol−1
Appearance	white crystals
Density	g/cm3
Solubility in water	Poorly soluble
Structure
Crystal structure	Tetragonal
Related compounds
Related compounds	Strontium fluorochloride Lead fluorochloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Barium chloride fluoride can be prepared by precipitating barium chloride and ammonium fluoride in a solution.

The compound can also be obtained by melting BaF₂ with BaCl₂.^[6]

BaF₂ + BaCl₂ → 2BaFCl

Physical properties

Barium chloride fluoride forms white crystals.^[7] The crystal structure of BaClF is a tetragonal distortion of that of fluoride type BaF
₂.^[8]

The compound is poorly soluble in water.^[9]