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  Dispersion corrected DFT calculations for the adsorption of N2O on MgO

Huesges, Z., Müller, C., Paulus, B., & Maschio, L. (2014). Dispersion corrected DFT calculations for the adsorption of N2O on MgO. Surface Science, 627, 11-15. doi:10.1016/j.susc.2014.04.002.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-001A-2646-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-136F-9
Genre: Journal Article

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 Creators:
Huesges, Zita1, Author              
Müller, Carsten2, Author
Paulus, Beate2, Author
Maschio, Lorenzo2, Author
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2external, ou_persistent22              

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 Abstract: We have calculated adsorption energies for N2O on the MgO (001) surface using periodic DFT calculations with the B3LYP functional and subsequent dispersion correction. Additionally a wave function-based correlation treatment at the MP2 level was performed. Whilst the B3LYP calculation failed to find a bond state, both the dispersion corrections and the MP2 treatment result in a significantly better description. The best agreement with experiment is obtained with a dispersion correction via the D3 scheme. The calculated binding energies are very similar for adsorption with the nitrogen or the oxygen end towards the surface, whilst calculated vibrational frequencies of adsorbed N2O match the experimental values better when assuming an O-down adsorption structure. (C) 2014 Elsevier B.V. All rights reserved.

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 Dates: 2014-09-01
 Publication Status: Published in print
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Title: Surface Science
  Abbreviation : Surf. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 627 Sequence Number: - Start / End Page: 11 - 15 Identifier: Other: 0039-6028
CoNE: /journals/resource/0039-6028