Vibrational relaxation of ND2(0,1,0) radicals studied by fast magnetic-field-jump time-resolved LMR

A. I. Chichinin, Lev Krasnoperov

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9 Scopus citations

Abstract

A method of studying vibrational relaxation of gaseous free radicals has been developed using the time-resolved LMR technique. The LMR signal saturation kinetics is measured under a fast adjustment to the maximum of the first derivative of the absorption line with the help of a fast magnetic field jump (80 G, 10 μs). The vibrational relaxation rate constants (V-V plus V-T) have been measured for ND2(0,1,0) on ND3, CF4 and Ar: (2.7 ± 1)×10-11, (1.9 ± 0.4)×10-11 and (2.4 ± 0.7)×10-14 cm3/s, respectively, (± 2σ). The matrix element of the vibrational transition moment for ND2 ν2 vibration is estimated to be 0.056 ± 0.02 D.

Original languageEnglish (US)
Pages (from-to)343-348
Number of pages6
JournalChemical Physics Letters
Volume115
Issue number3
DOIs
StatePublished - Apr 5 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

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