Structures of solvent-free, monomeric liCCH, naCCH, and KCCH

Douglas B. Grotjahn, Aldo J. Apponi, Matthew A. Brewster, Ju Xin, Lucy M. Ziurys

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

The simplest alkali metal acetylides MCCH were made in the gas phase for the first time (see drawing), and their bond lengths were determined by millimeter/submillimeter spectroscopy of their isotopomers. The M-C bond lengths r(CM) are the shortest known for organoalkali metal compounds. In the case of LiCCH, the experimentally determined Li-C distance of 1.888 Å has an estimated accuracy of ±0.0005 Å, which should allow a rigorous test of theoretical methods.

Original languageEnglish (US)
Pages (from-to)2678-2681
Number of pages4
JournalAngewandte Chemie - International Edition
Volume37
Issue number19
DOIs
StatePublished - Oct 16 1998

Keywords

  • Alkali metals
  • Alkynes
  • Gas-phase chemistry
  • Rotational spectroscopy

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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