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Kinetics of the thermal decomposition of trans-1,2-dicyanocyclobutane

โœ Scribed by Keith D. King; Richard D. Goddard

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
366 KB
Volume
10
Category
Article
ISSN
0538-8066

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โœฆ Synopsis

Abstract

The kinetics of the thermal decomposition of transโ€1,2โ€dicyanocyclobutane, which yields only vinyl cyanide, have been studied in the temperature range of 570ยฐโ€660ยฐK using a stirredโ€flow reactor. The reaction was found to be first order and homogeneous with rate constants represented by the Arrhenius equation

where ฮธ = 2.303 RT kcal/mol. The Arrhenius parameters are considerably higher than previously reported. On the assumption of a biradical mechanism the results are consistent with a cyano stabilization energy of โˆผ5 kcal/mol, in good agreement with the results of recent studies of related systems.

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