Rate Coefficient for the Reaction of CH2OH Radicals with Cl2 and Infrared Spectra of Chloromethanol and Dichloromethanol

Article abstract of DOI:10.1021/j100110a019

Quantitative infrared spectra have been recorded for chloromethanol and dichloromethanol, formed from the reactions of Cl2 with CH2OH and CHClOH, respectively.Chloromethanol decomposes quantitatively to HCHO and HCl, probably via a heterogeneous mechanism.The lower limit for the homogeneous gas-phase lifetime thus measured is 660 s.The rate coefficient for the reaction of CH2OH with Cl2 has been determined by measuring the products formed in experiments where O2 was allowed to complete with Cl2 for the CH2OH radicals.The rate coefficient is (2.7 +/- 0.7) x 10^-11 cm³ molecule^-1 s^-1 at 295 +/- 2 K.The rate coefficient for the reaction of Cl atoms with chloromethanol was estimated to be (4 +/- 2) x 10^-12 cm³ molecule^-1 s^-1 at 295 +/- 2 K.