The laser photolysis of ici at 530 nm: a time-resolved lmr study

A. I. Chichinin, S. A. Chasovnikov, L. N. Krasnoperov

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Time-resolved LMR is employed to study the deactivation Cl(2P 1 2) generated by pulsed photolysis of ICl at 530 nm. The yield of excited chlorine atoms Cl(2P 1 2) is found to be 55 ± 5%. The Cl{black star} quenching rate constants are: (1.7 ± 0.4) × 10-13, (7.2 ± 2.0)×10-13, ≤ 1.5 × 10-14 cm3 s in O2, Cl2 and Ar, respectively (± 2σ). The Cl{black star} deactivation (quenching + reaction) rate constant in ICl is (3.3 ± 0.5)×10-13 cm3 s, which is 24 times lower than the rate constant for the reaction Cl (2P 3 2)+ICl→I+Cl2. (All at 295 ± 5 K.).

Original languageEnglish (US)
Pages (from-to)371-376
Number of pages6
JournalChemical Physics Letters
Issue number4
StatePublished - Jul 24 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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