The rate constant for the “dimol” transition of singlet oxygen,O2(a 1Δg), and the likely symmetry of the emitting species |
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| Authors: | Peter Borrell Nathan H Rich |
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| Institution: | Department of Chemistry, Kecle University, Staffordshire, UK;Department of Physics, Memorial University, Newfoundland, Canada |
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| Abstract: | A comparison has been made of the value of the rate constant for the simultaneous “dimol” emission of O2(1Δg), calculated from the absorption spectrum, with those from emission measurements. It is suggested that the emitting (O2)2 species has D2h symmetry and that the transition is 1B2u-1Ag. The best value is k = (3.3 ± 0.6) × 10?2 dm3 mol?1 s?1 at 295 K. The temperature dependence is also discussed. |
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