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Lead (IV) Sulfide

Lead (IV) sulfide is a binary inorganic compound of lead and sulfur metal with the formula PbS 2 , red-brown.

Lead sulfide
Are common
Systematic
name
Lead (IV) Sulfide
Traditional namesSulphurous lead
Chem. formulaPbS 2
Physical properties
Molar mass271.33 g / mol
Density6.4 g / cm³
Classification
Reg. CAS number
Reg. EINECS number

Getting

  • Fusion of lead sulfide with sulfur at high pressure [1] :
PbS+S→>600oC,pPbS2{\ displaystyle {\ mathsf {PbS + S \ {\ xrightarrow {> 600 ^ {o} C, p}} \ PbS_ {2}}}}  

Physical Properties

Lead (IV) sulfide forms red-brown crystals of several modifications:

  • hexagonal syngony , cell parameters a = 0.389 nm, c = 0.591 nm;
  • tetragonal syngony , cell parameters a = 0.610 nm, c = 0.748 nm, Z = 4 [1] .

Lead (IV) sulfide - p- type semiconductor .

Notes

  1. ↑ 1 2 Silverman MS High-pressure (70-kilobar) Synthesis of New Crystalline Lead Dichalcogenides (English) // Inorg. Chem. : journal. - 1966. - Vol. 5 , no. 11 - P. 2067-2069 . - DOI : 10.1021 / ic50045a056 .
Source - https://ru.wikipedia.org/w/index.php?title= Lead sulfide ( IV)&oldid = 100976892


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Clever Geek | 2019