Lead(II) fluoride

Lead(II) fluoride
Names
Other names
Lead difluoride
plumbous fluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.089 Edit this at Wikidata
UNII
  • InChI=1S/2FH.Pb/h2*1H;/q;;+2/p-2
    Key: FPHIOHCCQGUGKU-UHFFFAOYSA-L
  • F[Pb]F
Properties
PbF2
Molar mass 245.20 g/mol
Appearance white powder
Odor odorless
Density 8.445 g/cm3 (orthorhombic)
7.750 g/cm3 (cubic)
Melting point 824 °C (1,515 °F; 1,097 K)
Boiling point 1,293 °C (2,359 °F; 1,566 K)
0.057 g/100 mL (0 °C)
0.0671 g/100 mL (20 °C)[1]
2.05 x 10−8 (20 °C)
Solubility soluble in nitric acid and hydrochloric acid;
insoluble in acetone and ammonia
−-58.1·10−6 cm3/mol
Structure
Fluorite (cubic), cF12
Fm3m, No. 225
Hazards
Lethal dose or concentration (LD, LC):
3031 mg/kg (oral, rat)
Related compounds
Other anions
 Lead(II) chloride
Lead(II) bromide
Lead(II) iodide
Other cations
 Difluorocarbene
Difluorosilylene
Difluorogermylene
Stannous fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lead(II) fluoride is the inorganic compound with the formula PbF2. It is a white solid. The compound is polymorphic, at ambient temperatures it exists in orthorhombic (PbCl2 type) form, while at high temperatures it is cubic (Fluorite type).[2]

  1. ^ NIST-data review 1980
  2. ^ Haines, J.; Léger, J. M.; Schulte, O. (1998-04-01). "High-pressure isosymmetric phase transition in orthorhombic lead fluoride". Physical Review B. 57 (13). American Physical Society (APS): 7551–7555. Bibcode:1998PhRvB..57.7551H. doi:10.1103/physrevb.57.7551. ISSN 0163-1829.