Vibrational energy distributions of reacting CH2(1A1) from the 4358, 3660, and 2537 .ANG. photolyses of CH2N2 and upon reaction with cyclobutane. A chemical activation study

Key Word Index.-Decomposition of ethylmethylether; energy distribution of single methylene; RRKM calculation.The decomposition rate of the chemically activated ethylmethylether produced from dimethyl ether-oxygen-diazomethane photolysis at 3660A have been measured to be 2-5X 10· sec:": By comparing the pressure dependent variation of rate constants with the' RRKM caleulation results, the strong collision behavior of dlmethylether and the gaussian energy distribution of singlet methylene are determined.

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High‐energy kinetic study of chemically activated 1,1‐dichlorocyclopropane

Eichler

Heydtmann

1981

Int J of Chemical Kinetics

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Abstract1,l-Dichlorocyclopropane has been produced by addition of CHz('A1) to 1,l-dichloroetbylene. CHZ('A1) was generated by the photolysis of ketene at 277-334 nm. The 1,l-dichlorocyclopropane was formed in a chemically activated state, had an energy content between 386 and 400 kJ/mol, and reacted in two parallel channels to 2,3-dichloropropene and 1,ldichloropropene. 1,l-Dichloropropene was also formed directly by insertion of CHZ('A1) into the CH bond of 1,l-dichloroethylene. As secondary reactions elimination of HCl from chemically activated 2,3-dichloropropene occurred with 3-chloropropyne and chloroallene as products. In some of the experiments perfluoropropane was added as an inert gas. The apparent rate constants for the isomerization and elimination reactions are reported. The results of RRKM calculations including distribution functions for the activated 1,l-dichlorocyclopropane and a step-ladder model for the deactivation verify the proposed reaction scheme.

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Vibrational energy distributions of reacting CH2(1A1) from the 4358, 3660, and 2537 .ANG. photolyses of CH2N2 and upon reaction with cyclobutane. A chemical activation study

Cited by 11 publications

References 7 publications

ChemInform Abstract: VIBRATIONAL ENERGY DISTRIBUTIONS OF REACTING CH2(1A1) FROM THE 4358, 3660, AND 2537 Å PHOTOLYSES OF CH2N2 AND UPON REACTION WITH CYCLOBUTANE. A CHEMICAL ACTIVATION STUDY

ChemInform Abstract: VIBRATIONAL ENERGY DISTRIBUTIONS OF REACTING CH2(1A1) FROM THE 4358, 3660, AND 2537 Å PHOTOLYSES OF CH2N2 AND UPON REACTION WITH CYCLOBUTANE. A CHEMICAL ACTIVATION STUDY

A Study of Chemically Activated Ethylmethylether

High‐energy kinetic study of chemically activated 1,1‐dichlorocyclopropane

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