Optical Stark spectroscopy of the 2 0 6 ∼a 1A″-X 1A′ band of chloro-methylene, HCCl

Timothy Steimle, Fang Wang, Xiujuan Zhuang, Zhong Wang

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Abstract

The laser induced fluorescence spectra of the 2 0 6 ∼A 1A″-X 1A′ band of a rotationally cold (<20 K) molecular beam sample of chloro-methylene, HCCl, has been recorded, field-free and in the presence of a static electric field. The field-free spectrum has been analyzed to produce an improved set of spectroscopic parameters for the ∼A 1A″ (060) vibronic state. The magnitude of the a-component of the permanent electric dipole moment, a, for the X 1A′ (000) vibronic state has been determined to be 0.501(1) D from the analysis of the observed electric field induced shifts. Comparisons with theoretical predictions and flouro-methylene, HCF, are presented.

Original languageEnglish (US)
Article number114309
JournalJournal of Chemical Physics
Volume136
Issue number11
DOIs
StatePublished - Mar 21 2012

ASJC Scopus subject areas

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

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