Synthesis, crystal structure, and catalytic properties of MgCo 6Ge6

Christine Gieck, Martin Schreyer, Thomas F. Fässler, Sylwia Cavet, Peter Claus

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The ternary compound MgCo6Ge6 represents a novel member of the RM6X6 phases, which contains a graphite-type Ge network, Kagomé nets of Co atoms, and Ge2 dumbbells with an unexpected short Ge-Ge contact in the range of a localized Ge-Ge single bond. The title compound shows a large variety of chemical bonding, which ranges from metallic to multi-center and covalent bonding. The role of polar intermetallic alloys as promising candidates for the application as catalysts for the selective hydrogenation of α,β-unsaturated aldehydes is discussed. MgCo6Ge6 possesses a remarkable activity and selectivity for the hydrogenation of cis/trans-citral to geraniol and nerol.

Original languageEnglish
Pages (from-to)1924-1930
Number of pages7
JournalChemistry - A European Journal
Volume12
Issue number7
DOIs
StatePublished - 20 Feb 2006

Keywords

  • Crystal structure
  • Heterogeneous catalysis
  • Host-guest systems
  • Intermetallic compounds
  • Selective hydrogenation

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