Synthesis and structure of Li4GeS4

Yoshitaka Matsushita, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

The compound Li4GeS4 has been prepared as transparent, light yellow moisture-sensitive crystals. Li4GeS4 belongs to the space group Pnma with a = 14.107(6) Å b = 7.770(3) Å and c = 6.162(2) Å. The crystal structure was solved by direct-methods. The final R and Rw-values are 1.85 and 1.65% for 866 observed reflections. The Li4GeS4 structure has three crystallographically independent lithium sites and one germanium site. The lithium atoms adopt two different coordination types. The Li1 atom is coordinated to five sulfur atoms in a square pyramidal geometry, while the Li2 and Li3 atoms have distorted tetrahedral coordination. The Ge atom is tetrahedrally coordinated by four sulfur atoms and is found as [GeS4]4- units. The anisotropic three-dimensional crystal structure of Li4GeS4 is described.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Volume53
Issue number1
Publication statusPublished - Jan 1998

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Atoms
Lithium
Sulfur
Crystal structure
Germanium
Moisture
Crystals
Geometry

Keywords

  • Crystal structure
  • Germanium
  • Lithium
  • Raman spectra
  • X-ray data

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Organic Chemistry

Cite this

Synthesis and structure of Li4GeS4 . / Matsushita, Yoshitaka; Kanatzidis, Mercouri G.

In: Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences, Vol. 53, No. 1, 01.1998, p. 23-30.

Research output: Contribution to journalArticle

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N2 - The compound Li4GeS4 has been prepared as transparent, light yellow moisture-sensitive crystals. Li4GeS4 belongs to the space group Pnma with a = 14.107(6) Å b = 7.770(3) Å and c = 6.162(2) Å. The crystal structure was solved by direct-methods. The final R and Rw-values are 1.85 and 1.65% for 866 observed reflections. The Li4GeS4 structure has three crystallographically independent lithium sites and one germanium site. The lithium atoms adopt two different coordination types. The Li1 atom is coordinated to five sulfur atoms in a square pyramidal geometry, while the Li2 and Li3 atoms have distorted tetrahedral coordination. The Ge atom is tetrahedrally coordinated by four sulfur atoms and is found as [GeS4]4- units. The anisotropic three-dimensional crystal structure of Li4GeS4 is described.

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KW - Raman spectra

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