NaSn5: An intermetallic compound with covalent α-tin and metallic β-tin structure motifs

Thomas F. Fässler, Christian Kronseder

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

A novel and unusual three-dimensional network of tin atoms is present in NaSn5, in which metallic layers analogous to those in β-Sn alternate with tetravalent units analogous to α-Sn. The compound shows the emergence of pentagonal-dodecahedral units from the metallic β-Sn modification (see structure on the right; all unlabeled spheres are Sn atoms). Quantum-mechanical investigations indicate the simultaneous presence of structural regions with localized and delocalized bonds.

Original languageEnglish
Pages (from-to)1571-1575
Number of pages5
JournalAngewandte Chemie International Edition in English
Volume37
Issue number11
DOIs
StatePublished - 19 Jun 1998
Externally publishedYes

Keywords

  • Bond theory
  • Intermetallic phases
  • Tin
  • Zintl phases

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