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Theoretical study of the ozonolysis of allyl acetate: Mechanism and kinetics

Structural Chemistry, ISSN: 1040-0400, Vol: 23, Issue: 1, Page: 201-208
2012
  • 12
    Citations
  • 0
    Usage
  • 10
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    12
    • Citation Indexes
      12
  • Captures
    10

Article Description

Abstract The potential energy surface (PES) and mechanism of the reaction of allyl acetate (AAC) with O are investigated by using density functional theory (DFT) and ab initio (MP2 and CCSD(T)) methods. The kinetics and main product branching ratios over the temperature range of (200-2,000 K) and at various pressures are obtained by employing multichannel Rice-Ramsperger-Kassel-Marcus (RRKM) theory. The results show that the main products are 2-oxoethyl acetate and formaldehyde. Two channels are found for the decomposition of primary ozonides: one path is corresponding to the 2-oxoethyl acetate + CH OO formation (R1); the other channel products formaldehyde + CH C(O)OCH CHOO (R2). In the whole temperature range, R1 is calculated to be preferable and its product yield accounts for 60-77% of the total while R2 is found to contribute 20-40% to the total product yield. The overall rate constants show pressure independence and strong positive temperature dependence. © Springer Science+Business Media, LLC 2011.

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