The pure rotational spectrum of LiCH3 ( X̃ 1A )

M. D. Allen, T. C. Pesch, J. S. Robinson, A. J. Apponi, D. B. Grotjahn, L. M. Ziurys

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

The pure rotational spectrum of lithium monomethyl, LiCH3, in its X̃ 1A ground electronic state has been measured using millimeter/sub-millimeter direct absorption techniques. Spectra of LiCD3 and 6LiCH3 have been recorded as well. These species were synthesized in the gas phase by the reaction of lithium vapor, produced in a Broida-type oven, and (CH3)4Sn, (CH3)2Hg or CH3I. Transitions were recorded in the 90-505 GHz range for J=2←1 to J=11←10 and K=0 up to K=10. Rotational and centrifugal distortion constants have been determined for each isotopomer, as well as an ro structure for LiCH3.

Original languageEnglish (US)
Pages (from-to)397-404
Number of pages8
JournalChemical Physics Letters
Volume293
Issue number5-6
DOIs
StatePublished - Sep 4 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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    Allen, M. D., Pesch, T. C., Robinson, J. S., Apponi, A. J., Grotjahn, D. B., & Ziurys, L. M. (1998). The pure rotational spectrum of LiCH3 ( X̃ 1A ). Chemical Physics Letters, 293(5-6), 397-404. https://doi.org/10.1016/S0009-2614(98)00810-0