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Issue 44, 2018
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‘Diet GMTKN55’ offers accelerated benchmarking through a representative subset approach

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Abstract

The GMTKN55 benchmarking protocol introduced by [Goerigk et al., Phys. Chem. Chem. Phys., 2017, 19, 32184] allows comprehensive analysis and ranking of density functional approximations with diverse chemical behaviours. But this comprehensiveness comes at a cost: GMTKN55's 1500 benchmarking values require energies for around 2500 systems to be calculated, making it a costly exercise. This manuscript introduces three subsets of GMTKN55, consisting of 30, 100 and 150 systems, as ‘diet’ substitutes for the full database. The subsets are chosen via a stochastic genetic approach, and consequently can reproduce key results of the full GMTKN55 database, including ranking of approximations. Some results are also included for the recent MGCDB84 database.

Graphical abstract: ‘Diet GMTKN55’ offers accelerated benchmarking through a representative subset approach

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Publication details

The article was received on 01 Sep 2018, accepted on 24 Oct 2018 and first published on 24 Oct 2018


Article type: Communication
DOI: 10.1039/C8CP05554H
Citation: Phys. Chem. Chem. Phys., 2018,20, 27735-27739

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    ‘Diet GMTKN55’ offers accelerated benchmarking through a representative subset approach

    T. Gould, Phys. Chem. Chem. Phys., 2018, 20, 27735
    DOI: 10.1039/C8CP05554H

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