Journal
JOURNAL OF PHYSICAL CHEMISTRY A
Volume 125, Issue 13, Pages 2782-2790Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpca.1c01000
Keywords
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Funding
- Australian Research Council Future Fellowship scheme [FT130101304]
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Quantum chemistry and statistical reaction rate theory calculations were used to investigate the products and kinetics of indenyl radical decomposition, identifying three competitive product sets. The main products of indenyl decomposition were found to be o-benzyne (o-C6H4) + propargyl (C3H3), with some additional byproducts not considered in previous theoretical kinetics investigations.
Quantum chemistry and statistical reaction rate theory calculations have been performed to investigate the products and kinetics of indenyl radical decomposition. Three competitive product sets are identified, including formation of a cyclopentadienyl radical (c-C5H5) and diacetylene (C4H2), which has not been included in prior theoretical kinetics investigations. Rate coefficients for indenyl decomposition are determined from master equation simulations at 1800-2400 K and 0.01-100 atm, and temperature- and pressure-dependent rate coefficient expressions are incorporated into a detailed chemical kinetic model for indene pyrolysis. Indenyl is found to predominantly decompose to o-benzyne (o-C6H4) + propargyl (C3H3), with lesser amounts of fulvenallenyl (C7H5) + C2H2 and c-C5H5 + C4H2.
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