Structure: ClOOCl Name: dichlorine dioxide, chlorine monoxide dimer, chlorine peroxide Author(Year): JPL-97(1997),JPL-2002(2002),JPL-2006(2006) Temperature: 200-250K Wavelength range: 190-450nm(rec) Bibliography: W.B. DeMore, S.P. Sander, D.M. Golden, R.F. Hampson, M.J. Kurylo, C.J. Howard, A.R. Ravishankara, C.E. Kolb, and M.J. Molina, "Chemical Kinetics and Photochemical Data for Use in Stratospheric Modeling. Evaluation Number 12", JPL Publication 97-4, 1997. 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. Comments: JPL-97, JPL-2002, and 2006 recommendations: 190-200 nm, data of W.B. DeMore and E. Tschuikow-Roux, "Ultraviolet spectrum and chemical reactivity of the ClO dimer," J. Phys. Chem. 94, 5856-5860 (1990), 200-360 nm, mean of the data of R.A. Cox and G.D. Hayman, "The stability and photochemistry of dimers of the ClO radical and implications for Antarctic ozone depletion," Nature 332, 796-800 (1988), W.B. DeMore and E. Tschuikow-Roux, "Ultraviolet spectrum and chemical reactivity of the ClO dimer," J. Phys. Chem. 94, 5856-5860 (1990), T. Permien, R. Vogt, and R.N. Schindler, "Absorption spectra of HOCl and Cl2O2," in Mechanics of gas phase and liquid phase chemical transformations. Air Pollution Report, No. 17, Environmental Research Program of the CEC, EUr 12035 EN, edited by R.A. Cox (Brussels, Belgium, 1988), pp. 149-153, and J.B. Burkholder, J.J. Orlando, and C.J. Howard, "Ultraviolet absorption cross section of Cl2O2 between 210 and 410 nm," J. Phys. Chem. 94, 687-695 (1990), 360-450 nm, linear extrapolation of the logarithm of the cross section, using the expression log(1020σ(cm2)) = -0.01915 x λ(nm) + 7.589 nm cm2 190 5.650e-18 192 5.260e-18 194 4.890e-18 196 4.500e-18 198 4.130e-18 200 3.835e-18 202 3.529e-18 204 3.253e-18 206 2.986e-18 208 2.746e-18 210 2.513e-18 212 2.317e-18 214 2.170e-18 216 2.076e-18 218 2.061e-18 220 2.121e-18 222 2.271e-18 224 2.494e-18 226 2.802e-18 228 3.195e-18 230 3.650e-18 232 4.154e-18 234 4.675e-18 236 5.175e-18 238 5.630e-18 240 6.003e-18 242 6.257e-18 244 6.394e-18 246 6.426e-18 248 6.315e-18 250 6.093e-18 252 5.801e-18 254 5.445e-18 256 5.054e-18 258 4.631e-18 260 4.220e-18 262 3.814e-18 264 3.446e-18 266 3.116e-18 268 2.833e-18 270 2.584e-18 272 2.373e-18 274 2.183e-18 276 2.016e-18 278 1.864e-18 280 1.725e-18 282 1.596e-18 284 1.473e-18 286 1.361e-18 288 1.252e-18 290 1.146e-18 292 1.046e-18 294 9.540e-19 296 8.710e-19 298 7.900e-19 300 7.220e-19 302 6.580e-19 304 5.990e-19 306 5.410e-19 308 4.860e-19 310 4.330e-19 312 3.850e-19 314 3.460e-19 316 3.070e-19 318 2.800e-19 320 2.560e-19 322 2.340e-19 324 2.140e-19 326 1.920e-19 328 1.780e-19 330 1.670e-19 332 1.560e-19 334 1.440e-19 336 1.330e-19 338 1.310e-19 340 1.210e-19 342 1.150e-19 344 1.090e-19 346 1.010e-19 348 9.000e-20 350 8.200e-20 352 7.900e-20 354 6.800e-20 356 6.100e-20 358 5.800e-20 360 5.500e-20 362 4.500e-20 364 4.100e-20 366 3.800e-20 368 3.500e-20 370 3.200e-20 372 2.900e-20 374 2.700e-20 376 2.400e-20 378 2.200e-20 380 2.100e-20 382 1.900e-20 384 1.700e-20 386 1.600e-20 388 1.400e-20 390 1.300e-20 392 1.200e-20 394 1.100e-20 396 1.000e-20 398 9.200e-21 400 8.500e-21 402 7.800e-21 404 7.100e-21 406 6.500e-21 408 6.000e-21 410 5.400e-21 412 5.000e-21 414 4.600e-21 416 4.200e-21 418 3.800e-21 420 3.500e-21 422 3.200e-21 424 2.900e-21 426 2.700e-21 428 2.500e-21 430 2.300e-21 432 2.100e-21 434 1.900e-21 436 1.700e-21 438 1.600e-21 440 1.500e-21 442 1.300e-21 444 1.200e-21 446 1.100e-21 448 1.000e-21 450 9.000e-22 ****************