Small Organic Peroxy Radicals – Table 13

Figure 11. Published Cross Sections for HO2

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Table 13. Reported HO2 UV Absorption Cross Sections (10-18 cm2molecule-1)

PJ72a CB79a HSO80a SPWP82 KWO87 MVL87 MVL89 LJ91 CSBMJC91b MS94 RBM96
185 3.51
186.7 2.99
189.8 3.47
190 3.67 4.00
192.9 3.64
195 3.91 3.83 5.00 4.23
196 386
199 3.98
200 4.45 4.19 3.96 5.25 5.20 4.35 – 4.24
201.1 4.08
202.5 4.31
205 4.47 4.10 4.01 5.44 5.35 4.26 – 4.32
205.2 4.02
207 5.33
207.5 4.28
208.3 3.94
210 4.50 4.17 3.99 3.65 5.37 5.30 4.81 4.09 – 4.18 4.19
211.4 3.75
212 4.15
214.5 3.66
215 4.21 3.99 3.85 3.60 4.95 3.80 – 3.86
217.6 3.44
218 3.68
220 3.58 3.45 3.45 3.40 4.37 4.35 3.68 3.40 – 3.40
220.6 3.21
222.5 3.20
223.7 2.94
225 2.99 3.02 2.95 3.55 2.86 – 2.89 2.94
226.8 2.65
227.5 2.72 3.00 2.65
299.9 2.22
230 2.31 2.42 2.36 2.35 2.86 2.90 2.38 2.25 – 2.31
232.5 1.98
233 1.86
235 163 1.96 1.75 2.30 1.75 – 1.71
236.1 1.58
237.5 1.22
239.2 1.30
240 0.91 1.16 1.15 1.25 1.77 1.80 1.30 1.20 – 1.18 1.24
242.2 1.01
242.5 1.08
245 0.43 0.83 0.85 1.25 0.81
245.3 0.82
247.5 0.76
248.4 0.63
250 0.41 0.45 0.55 0.85 0.90 0.60 0.53 – 0.45
251.5 0.46
254.6 0.36
255 0.55 0.31 0.29
257.7 0.27
260 0.18 0.35 0.30 0.18
260.8 0.20
263.8 0.15
265 0.20
266.9 0.14
270 0.10 0.11
273.1 0.11

a) Value from review by Wallington et al. (1992) read from figure in original paper; b) Two sets of measurements, molecular modulation or flash photolysis.

PJ: Paukert and Johnston, 1972; CB: Cox and Burrows, 1979; HSO: Hochanadel, Sworski and Ogren, 1980; recalibrated original spectrum from Hochanadel et al. 1972; SPWP: Sander, Peterson, Watson and Patrick, 1982; KWO: Kurylo, Wallington and Ouellette, 1987; MVL 87: McAdam, Veyret and Lesclaux, 1987; MVL 89: Moortgat, Veyret and Lesclaux, 1989; LJ: Lightfoot and Jemi-Alade, 1991; CSBMJC: Crowley, Simon, Burrows, Moortgat, Jenkin and Cox, 1991; MS: Maricq and Szente, 1994; RBM: Roehl, Bauer and Moortgat, 1996 (data point at 255 nm from Bauer, 1997)