Abstract
WHILE we were investigating the behaviour of certain gaseous alkyl and alkylene bromides at high temperatures, with the view of finding out how the energy of activation was related to the zero point energies (or vibration frequencies) of adjacent bonds (for example, tert.-butyl bromide with three C-C bonds might be expected to require a less activation energy than normal butyl bromide with two C–H and one C–C bonds) we found that the homogeneous nature of the decomposition could not always be predicted, and that the calculations made for ethylene bromide (C2H4Br2) by Sherman and Sun1 based on the Eyring method were somewhat misleading.
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References
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Arnold and Kistiakowsky, J. Chem. Phys., 1, 166 (1933) ; Iredale and Martin, J. Phys. Chem., 38, 365 (1934).
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IREDALE, T., MACCOLL, A. Thermal Decomposition of Ethylene Bromide. Nature 140, 24–25 (1937). https://doi.org/10.1038/140024b0
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DOI: https://doi.org/10.1038/140024b0
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