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Hybrid Complex Polarization Propagator/Molecular Mechanics Method for Heterogeneous Environments
KTH Royal Institute Technology, Sweden.
KTH Royal Institute Technology, Sweden.
KTH Royal Institute Technology, Sweden.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Chemistry. Linköping University, Faculty of Science & Engineering.
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2016 (English)In: Journal of Chemical Theory and Computation, ISSN 1549-9618, E-ISSN 1549-9626, Vol. 12, no 6, 2661-2667 p.Article in journal (Refereed) PublishedText
Abstract [en]

We introduce a hybrid complex polarization propagator/molecular mechanics method for the calculation of near-resonant and resonant response properties of molecules in heterogeneous environments, which consist of a metallic surface, or nanoparticle, and a solvent. The applicability and performance of the method is demonstrated by computations of linear absorption spectra of p-nitroaniline physisorbed at a gold/dimethyl sulfoxide interface in the UV/vis and near carbon-K-edge regions of the spectrum. It is shown that the shift of absorption cross-section induced by the heterogeneous environment varies significantly depending on the nature,of the excited states encountered in the targeted frequency region as well as on the actual size of the resonant frequencies, and that the solvent component of the heterogeneous environment is responsible for the major part of the environmental shift, especially in the higher frequency range of the carbon K-edge region.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2016. Vol. 12, no 6, 2661-2667 p.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:liu:diva-130298DOI: 10.1021/acs.jctc.6b00255ISI: 000378016000015PubMedID: 27136079OAI: oai:DiVA.org:liu-130298DiVA: diva2:950500
Note

Funding Agencies|Knut and Alice Wallenberg Foundation [KAW-2013.0020]; Swedish e-Science Research Centre (SeRC)

Available from: 2016-07-31 Created: 2016-07-28 Last updated: 2016-07-31

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Linares, MathieuNorman, Patrick
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Theoretical ChemistryFaculty of Science & Engineering
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