LaPbCuS3: Cu(I) insertion into the α-La2S3 framework

Theodore D. Brennan*, James A. Ibers

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

The compound LaPbCuS3, lanthanum lead copper sulfide, has been prepared and characterized from single crystal X-ray data. LaPbCuS3 crystallizes in space group D162h-Pnma of the orthorhombic system, a = 8.091(3), b = 4.093(1), and c = 15.996(5) Å, V = 529.7 Å3 (T = 293 K), Z = 4, Mr = 505.84, Dx = 6.341 g/cm3, λ(MoKα1) = 0.7093 Å, μ = 448.8 cm-1, and R(Fo) = 0.030 and Rw(Fo) = 0.042 for 732 unique data with F2o > 3σ(F2o). The structure, which is related to that of α-La2S3, has 7-coordinate La and Pb atoms disordered unequally over two sites, with MS bond lengths in the range from 2.864(3) to 3.168(3) Å. The Cu atoms are in tetrahedral sites that form corner-sharing chains along the b direction, with CuS distances ranging from 2.336(4) to 2.385(4) Å.

Original languageEnglish (US)
Pages (from-to)377-382
Number of pages6
JournalJournal of Solid State Chemistry
Volume97
Issue number2
DOIs
StatePublished - Apr 1992

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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