| COMMENTS: | JPL-2010 recommendation, adopting the earlier recommendations of
S.P. Sander, R.R. Friedl, D.M. Golden, M.J. Kurylo, R.E. Huie, V.L. Orkin, G.K. Moortgat, A.R. Ravishankara, C.E. Kolb, M.J. Molina, and B.J. Finlayson-Pitts, “Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies. Evaluation Number 14“, JPL Publication 02-25, Jet Propulsion Laboratory, Pasadena, 2002; http://jpldataeval.jpl.nasa.gov/, and
S.P. Sander, R.R. Friedl, D.M. Golden, M.J. Kurylo, G.K. Moortgat, H. Keller-Rudek, P.H. Wine, A.R. Ravishankara, C.E. Kolb, M.J. Molina, B.J. Finlayson-Pitts, R.E. Huie, V.L. Orkin, “Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies. Evaluation Number 15“, JPL Publication 06-2, Jet Propulsion Laboratory, Pasadena, 2006; http://jpldataeval.jpl.nasa.gov/:
174-198 nm, data of D. Gillotay, P.C. Simon, and L. Dierickx, "Temperature dependence of ultraviolet absorption cross-sections of brominated methanes and ethanes," presented at the Quadrennial Ozone Symposium, Göttingen, RFA, 1988; Aeronomica Acta A 335, 1-25 (1988), D. Gillotay and P.C. Simon, "Ultraviolet absorption cross-sections of photoactive species of stratospheric interest. Part 1 : The Halocarbons", Aeronomica Acta A 356, 1-173 (1990), 200-210 nm, mean of the data of L.T. Molina, M.J. Molina, and F.S. Rowland, "Ultraviolet absorption cross sections of several brominated methanes and ethanes of atmospheric interest," J. Phys. Chem. 86, 2672-2676 (1982); DOI: 10.1021/j100211a023, and D. Gillotay, P.C. Simon, and L. Dierickx, "Temperature dependence of ultraviolet absorption cross-sections of brominated methanes and ethanes," presented at the Quadrennial Ozone Symposium, Göttingen, RFA, 1988; Aeronomica Acta A 335, 1-25 (1988), D. Gillotay and P.C. Simon, "Ultraviolet absorption cross-sections of photoactive species of stratospheric interest. Part 1 : The Halocarbons", Aeronomica Acta A 356, 1-173 (1990), 215-290 nm, mean of the data of L.T. Molina, M.J. Molina, and F.S. Rowland, "Ultraviolet absorption cross sections of several brominated methanes and ethanes of atmospheric interest," J. Phys. Chem. 86, 2672-2676 (1982); DOI: 10.1021/j100211a023, D. Gillotay, P.C. Simon, and L. Dierickx, "Temperature dependence of ultraviolet absorption cross-sections of brominated methanes and ethanes," presented at the Quadrennial Ozone Symposium, Göttingen, RFA, 1988; Aeronomica Acta A 335, 1-25 (1988), D. Gillotay and P.C. Simon, "Ultraviolet absorption cross-sections of photoactive species of stratospheric interest. Part 1 : The Halocarbons", Aeronomica Acta A 356, 1-173 (1990), and J.C. Mössinger, D.E. Shallcross, and R.A. Cox, "UV-VIS absorption cross-sections and atmospheric lifetimes of CH2Br2, CH2I2, and CH2BrI," J. Chem. Soc. Faraday Trans. 94, 1391-1396 (1998); DOI: 10.1039/A709160E, 295-300 nm, data of J.C. Mössinger, D.E. Shallcross, and R.A. Cox, "UV-VIS absorption cross-sections and atmospheric lifetimes of CH2Br2, CH2I2, and CH2BrI," J. Chem. Soc. Faraday Trans. 94, 1391-1396 (1998); DOI: 10.1039/A709160E Temperature coefficients B: 273-348 K, J.C. Mössinger, D.E. Shallcross, and R.A. Cox, "UV-VIS absorption cross-sections and atmospheric lifetimes of CH2Br2, CH2I2, and CH2BrI," J. Chem. Soc. Faraday Trans. 94, 1391-1396 (1998); DOI: 10.1039/A709160E, ln σ(λ, T) = ln σ (λ, 298 K) + B × (T - 298) with ---------------------
λ 103 B
(nm) (K-1)
----------------------
215 -2.02
220 -1.79
225 -1.50
230 -0.96
235 -0.04
240 0.71
245 1.80
250 2.70
255 3.91
260 5.16
265 6.33
270 7.75
275 8.74
280 11.6
285 13.8
290 15.3
295 16.5
300 21.9 |
