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Very low-pressure pyrolysis (VLPP) of alkanes: n-butane, 2,3-dimethylbutane, 2,2′,3,3′ -tetramethylbutane, and isobutane

✍ Scribed by D. M. Golden; Z. B. Alfassi; P. C. Beadle

Publisher
John Wiley and Sons
Year
1974
Tongue
English
Weight
537 KB
Volume
6
Category
Article
ISSN
0538-8066

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✦ Synopsis

The four species in the title were decomposed under VLPP conditions at temperatures in the vicinity of 1100°K. Three model transition states were constructed that fit the low-pressure data thus obtained and that also yield If EZSS = AEZSS; 2) &OO = A&oo;

3 ) log Alloo = 16.4 per C-C bond broken. The predictions of these models as to values of the high-pressure rate constants for bond scission and the reverse rate constants (radical combination) are compared with existing data.

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Very low-pressure pyrolysis (VLPP) of pe
Very low-pressure pyrolysis (VLPP) of pentynes. III. Pent-2-yne. Heat of formation and resonance stabilization energy of the 3-methylpropargyl radical
✍ Tam T. Nguyen; Keith D. King 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 468 KB

The thermal unimolecular decomposition of pent-2-yne has been studied over the temperature range of 988-1234 K using the technique of very low-pressure pyrolysis (VLPP). The main reaction pathway is Cd-Ch bond fission producing the resonance-stabilized 3methylpropargyl radical. There is a concurrent