MP2[V] – A simple approximation to second-order Møller–Plesset perturbation theory
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Deng, Jia; Gilbert, Andrew T. B.; Gill, Peter M. W.
Description
We propose a simplified variant of the dual-basis MP2[K] scheme [J. Chem. Phys. 2011,134, 081103] that bootstraps a small-basis MP2 result to a large-basis one. This simplified method, which we call MP2[V], assumes the occupied orbitals are adequately described by the smaller basis, and, therefore, only the relaxation of the virtual orbitals is considered when shifting to the larger basis. Numerical tests on several organic reactions and noncovalent interactions show that MP2[V] yields...[Show more]
Collections | ANU Research Publications |
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Date published: | 2015 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/15394 |
Source: | Journal of Chemical Theory and Computation |
DOI: | 10.1021/acs.jctc.5b00147 |
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