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- W2021198214 abstract "The products of the reaction of OH with acetone (OH + CH3C(O)CH3 → products) were investigated using a discharge flow tube coupled to a chemical ionization mass spectrometer. It was shown that the yield of acetic acid from the reaction was less than 1% between 237 and 353 K. The yield of acetonyl radical was measured to be (96 ± 11)%, independent of temperature, between 242 and 350 K. The rate coefficients for the reaction were measured with this system to be the same as those reported in part 1 (J. Phys. Chem. A 2003, 107, 5014). The rate coefficients for the removal of OH (v = 1) by acetone and acetone-d6 were shown to be (2.67 ± 0.15) × 10-11 and (3.45 ± 0.24) × 10-11 cm3 molecule-1 s-1, respectively, at 295 K. It was shown that the enthalpy of reaction for the formation of an OH−acetone adduct is more than −8 kcal mol-1 (i.e., the adduct is bound by at most 8 kcal mol-1) at 203 K. On the basis of these observations and those from part 1, we deduce that the reaction of OH with acetone occurs through a hydrogen-bonded complex that gives almost exclusively CH3C(O)CH2 and H2O. The atmospheric implications of our findings are discussed." @default.
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- W2021198214 date "2003-06-01" @default.
- W2021198214 modified "2023-10-16" @default.
- W2021198214 title "Reaction of Hydroxyl Radical with Acetone. 2. Products and Reaction Mechanism" @default.
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- W2021198214 doi "https://doi.org/10.1021/jp0273023" @default.
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