Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 3087 - 3106 (1981)
Update date:2022-08-17
Topics:
Cadman, Philip
Owen, Howell L.
1,3-difluoroacetone was photolysed by itself and in the presence of either diethylketone or di-isopropylketone and the rates of the following reactions of fluoromethyl radicals were measured: (i) CH2F + CH2FCOCH2F, log10 (k/cm3 mol-1 s-1) = 11.10 -40000/2.303RT, (ii) CH2F + C2H5COC2H5, log10 (k/cm3 mol-1 s-1) = 10.71 -34050/2.303RT, (iii) CH2F + i-C3H7CO-i-C3H7, log10 (k/cm3 mol-1 s-1) = 11.18 -31550/2.303RT where R= 8.314 J mol-1 K-1.The disproportionation-combination ratios (Δ) for the following pairs of radicals were found to be Δ(CH2F, C2H5) = 0.047, Δ(CH2F, i-C3H7) = 0.210, Δ(i-C3H7, i-C3H7) = 0.55, Δ(C2H5, C2H5) = 0.146.
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