Jump to content

Lead(IV) sulfide

From Wikipedia, the free encyclopedia
Lead(IV) sulfide
Names
IUPAC name
lead(IV) sulfide
Other names
lead disulfide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.032.025 Edit this at Wikidata
  • InChI=1S/Pb.2S/q;2*-2
    Key: CFCOCNLKEULEBS-UHFFFAOYSA-N
  • [S-2].[S-2].[Pb]
Properties
PbS2
Molar mass 271.332 g/mol
Structure[1]
Rhombohedral, hP3
P3m1, No. 164
3 2/m
a = 3.89 Å, c = 5.91 Å
α = 90°, β = 90°, γ = 120°
Octahedral (Pb4+)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Lead(IV) sulfide is a chemical compound with the formula PbS2. This material is generated by the reaction of the more common lead(II) sulfide, PbS, with sulfur at >600 °C and at high pressures. PbS2, like the related tin(IV) sulfide SnS2, crystallises in the cadmium iodide motif, which indicates that Pb should be assigned the formal oxidation state of 4+.[1]

Lead(IV) sulfide is a p-type semiconductor, and is also a thermoelectric material.[2]

References

[edit]
  1. ^ a b Silverman, M. S. (1966). "High-pressure (70-kilobar) Synthesis of New Crystalline Lead Dichalcogenides". Inorganic Chemistry. 5 (11): 2067–9. doi:10.1021/ic50045a056.
  2. ^ Cava, R.J. (2011). "Pressure Stabilized Se-Se Dimer Formation in PbSe2". Solid State Sciences. 13: 38–41. doi:10.1016/j.solidstatesciences.2010.10.003.