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    Database of Small Molecule Thermochemistry for Combustion

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    Type
    Article
    Authors
    Goldsmith, C. Franklin
    Magoon, Gregory R.
    Green, William H.
    KAUST Grant Number
    KUS-I1-010-01
    Date
    2012-08-29
    Online Publication Date
    2012-08-29
    Print Publication Date
    2012-09-13
    Permanent link to this record
    http://hdl.handle.net/10754/597918
    
    Metadata
    Show full item record
    Abstract
    High-accuracy ab initio thermochemistry is presented for 219 small molecules relevant in combustion chemistry, including many radical, biradical, and triplet species. These values are critical for accurate kinetic modeling. The RQCISD(T)/cc-PV∞QZ//B3LYP/6-311++G(d,p) method was used to compute the electronic energies. A bond additivity correction for this method has been developed to remove systematic errors in the enthalpy calculations, using the Active Thermochemical Tables as reference values. On the basis of comparison with the benchmark data, the 3σ uncertainty in the standard-state heat of formation is 0.9 kcal/mol, or within chemical accuracy. An uncertainty analysis is presented for the entropy and heat capacity. In many cases, the present values are the most accurate and comprehensive numbers available. The present work is compared to several published databases. In some cases, there are large discrepancies and errors in published databases; the present work helps to resolve these problems. © 2012 American Chemical Society.
    Citation
    Goldsmith CF, Magoon GR, Green WH (2012) Database of Small Molecule Thermochemistry for Combustion. The Journal of Physical Chemistry A 116: 9033–9057. Available: http://dx.doi.org/10.1021/jp303819e.
    Sponsors
    This work is supported by Division of Chemical Sciences, Geosciences, and Biosciences, the Office of Basic Energy Science (BES) of the U.S. Department of Energy (DOE) through contract DE-FG02-98ER14914, and by Award No. KUS-I1-010-01, made by King Abdullah University of Science and Technology (KAUST). C.F.G. gratefully acknowledges fellowship support from the National Science Foundation and the Alexander von Humboldt Foundation.
    Publisher
    American Chemical Society (ACS)
    Journal
    The Journal of Physical Chemistry A
    DOI
    10.1021/jp303819e
    PubMed ID
    22873426
    ae974a485f413a2113503eed53cd6c53
    10.1021/jp303819e
    Scopus Count
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