Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 496 - 502 (1980)
Update date:2022-08-11
Topics:
Stock, Colin J.
Whittle, Eric
The photolysis of the vapour of perfluoro-n-butyric anhydride was studied at 20 and 227 deg C.The effective primary process is (n-C3F7CO)2O+hυ -> 2 n-C3F7+CO+CO2 and the overall decomposition is quantitatively described by the equation (n-C3F7CO)2O+hυ -> n-C6F14+CO+CO2.The quantum yields of products increase with temperature but are independent of pressure. (n-C3F7CO)2O was photolysed in the presence of cyclohexane vapour.For the reactions n-C3F7+c-C6H12 -> n-C3F7H+c-C6H11 kH 2n-C3F7 -> C6F14 kc we obtain, log kH/k1/2c = (4.99+/-0.12)-(23910+/-750)/Θ where Θ = 2.303RTJmol-1 and kH/k1/2c is in cm1/2mol-1/2s-1/2.
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