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- W2156787889 abstract "DFT and ab initio calculations are performed to study the unimolecular decmposition pathways of malonic acid. The reaction is explored along three plausible decomposition pathways. The calculated results shows that decarboxylation is a two step process with an energy barrier of 32.16 kcal mol−1 at the CCSD(T)/6-311++G(d,p) level which is in reasonable agreement with available data. In contrast to the usual interpretations, novel features of this study are dehydration and in situ decarboxylation–dehydration pathways that involve energy barriers of 67.13 and 44.75 kcal mol−1, respectively at the CCSD(T)/6-311++G(d,p) level leading to the formation of carbon-suboxide and ketene along with conventional H2O and CO2. The thermal rate constants for the above decomposition pathways are also evaluated using Canonical Transition State Theory at 298 K." @default.
- W2156787889 created "2016-06-24" @default.
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- W2156787889 date "2014-08-14" @default.
- W2156787889 modified "2023-10-16" @default.
- W2156787889 title "Theoretical investigation on unimolecular decomposition of malonic acid: a potential sink for ketene" @default.
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- W2156787889 doi "https://doi.org/10.1039/c4ra06506a" @default.
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