Rotational spectroscopy of LiCCH ( X̃ 1Σ ) in its ground and v5 vibrational states

A. J. Apponi, M. A. Brewster, Lucy M Ziurys

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12 Citations (Scopus)

Abstract

The pure rotational spectrum of LiCCH (X̃ 1Σ) in its ground and v5 vibrational states has been recorded using direct absorption, millimeter/sub-millimeter spectroscopy in the range of 105-538 GHz. For the main isotopomer, 21 transitions were measured for the ground state and 10 transitions each for the excited levels v5=1, 2, and 3, where ℓ-type doubling was resolved. Several transitions were also recorded for 6LiCCH, Li13CCH, LiC13CH, and LiCCD. All were observed in their natural abundances except for LiCCD. Rotational, ℓ-type doubling and vibration-rotation constants were determined for LiCCH, as well as rs and ro structures.

Original languageEnglish (US)
Pages (from-to)161-169
Number of pages9
JournalChemical Physics Letters
Volume298
Issue number1-3
StatePublished - Dec 11 1998

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Electron transitions
vibrational states
Spectroscopy
Ground state
spectroscopy
rotational spectra
vibration
ground state

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

Cite this

Rotational spectroscopy of LiCCH ( X̃ 1Σ ) in its ground and v5 vibrational states. / Apponi, A. J.; Brewster, M. A.; Ziurys, Lucy M.

In: Chemical Physics Letters, Vol. 298, No. 1-3, 11.12.1998, p. 161-169.

Research output: Contribution to journalArticle

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