High Accuracy Measurements of OH Reaction Rate Constants and IR Absorption Spectra: Substituted 2-Propanols. Vladimir L. Orkin*, Victor G. Khamaganov, and Michael J. Kurylo National Institute of Standards and Technology, Gaithersburg, Maryland 20899 UV absorption cross-sections (a.c.s) of (CF3)3COH (1,1,1,3,3,3-hexafluoro-2-(trifluoromethyl)-2-propanol, perfluoro-tert-butanol) T = 298 K UV absorption cross sections nm a.c.s. (cm^2/molecule) 163 1.1e-19 164 8.9e-20 165 7.1e-20 166 5.7e-20 167 4.4e-20 168 3.5e-20 169 2.7e-20 170 2.2e-20 171 1.7e-20 172 1.4e-20 173 1.1e-20 174 8.6e-21 175 6.9e-21 176 5.4e-21 177 4.4e-21 178 3.5e-21 179 2.8e-21 180 2.1e-21 181 1.7e-21 182 1.3e-21 183 1.1e-21