NASA NTRS · 20020027487
Using Density Functional Theory (DFT) for the Calculation of Atomization Energies
Abstract
The calculation of atomization energies using density functional theory (DFT), using the B3LYP hybrid functional, is reported. The sensitivity of the atomization energy to basis set is studied and compared with the coupled cluster singles and doubles approach with a perturbational estimate of the triples (CCSD(T)). Merging the B3LYP results with the G2(MP2) approach is also considered. It is found that replacing the geometry optimization and calculation of the zero-point energy by the analogous quantities computed using the B3LYP approach reduces the maximum error in the G2(MP2) approach. In addition to the 55 G2 atomization energies, some results for transition metal containing systems will also be presented.
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Bauschlicher, Charles W., Jr., Partridge, Harry, Langhoff, Stephen R.. 1995-01-01. Using Density Functional Theory (DFT) for the Calculation of Atomization Energies. https://ntrs.nasa.gov/citations/20020027487
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