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- aggregation classification "A1".
- aggregation creator person.
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- aggregation date "2014".
- aggregation format "application/pdf".
- aggregation hasFormat 4358647.bibtex.
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- aggregation isPartOf urn:issn:1520-6106.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Physics and Astronomy".
- aggregation title "Critical analysis of the accuracy of models predicting or extracting liquid structure information".
- aggregation abstract "This work aims at a critical assessment of properties predicting or extracting information on the density and structure of liquids. State-of-the-art NVT and NpT molecular dynamics (MD) simulations have been performed on five liquids: methanol, chloroform, acetonitrile, tetrahydrofuran, and ethanol. These simulations allow the computation of properties based on first principles, including the equilibrium density and radial distribution functions (RDFs), characterizing the liquid structure. Refinements have been incorporated in the MD simulations by taking into account basis set superposition errors (BSSE). An extended BSSE model for an instantaneous evaluation of the BSSE corrections has been proposed, and their impact on the liquid properties has been assessed. If available, the theoretical RDFs have been compared with the experimentally derived RDFs. For some liquids, significant discrepancies have been observed, and a profound but critical investigation is presented to unravel the origin of these deficiencies. This discussion is focused on tetrahydrofuran where the experiment reveals some prominent peaks completely missing in any MD simulation. Experiments providing information on liquid structure consist mainly of neutron diffraction measurements offering total structure factors as the primary observables. The splitting of these factors in reciprocal space into intra- and intermolecular contributions is extensively discussed, together with their sensitivity in reproducing correct RDFs in coordinate space.".
- aggregation authorList BK1157269.
- aggregation endPage "2470".
- aggregation issue "9".
- aggregation startPage "2451".
- aggregation volume "118".
- aggregation aggregates 4358657.
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