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Deperturbation of the rotational spectrum of the d3Δ- a3π (7, 1) band of CS radical

  • Chuanliang Li
  • , Lunhua Deng*
  • , Jing Zhang
  • , Xuanbing Qiu
  • , Jilin Wei
  • , Yangqin Chen
  • *Corresponding author for this work
  • Taiyuan University of Science and Technology
  • East China Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

The spectra of d3Δ-a3π (7, 1) band of CS radical were measured by optical heterodyne-concentration modulation spectroscopy in the region from 11 640 to 12 230 cm-1. In total, we assigned three hundred and four lines, of which Ree and R ff branches in the d3Δ1-a 3π0 subsystem and more than a hundred lines were first observed and identified. The anomalous lambda-doubling of the d 3Δ1 (υ = 7) level reveals a local perturbation interaction from the 1Σ- state. The perturbation parameter between 1Σ- and a3π 0 (υ = 13), and molecular constants of the d3Δ 1 (υ = 7) as well as 1Σ- were derived through fitting all assigned lines to the effective Hamiltonian. Crown

Original languageEnglish
Pages (from-to)29-32
Number of pages4
JournalJournal of Molecular Spectroscopy
Volume284-285
DOIs
StatePublished - 2013
Externally publishedYes

Keywords

  • Carbon monosulfide radical
  • Deperturbation analysis
  • Laser absorption spectroscopy
  • Molecular constants

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