Abstract:
The adsorption of methanol on a magnesium oxide (1 0 0) surface was analysed using an appropriate cluster for modeling the substrate. Results obtained employing the Hartree-Fock approach with different Gaussian basis sets were compared. Several aspects of the adsorption mechanism were analysed using the natural bond orbitals method. It was found that a H-bond type interaction is present between a surface oxygen anion and the hydrogen belonging to the methanol hydroxyl group. This interaction produced a weakening of the O-H methanol bond. © 2002 Elsevier Science B.V. All rights reserved.
Registro:
Documento: |
Artículo
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Título: | Theoretical study of charge transfer interactions in methanol adsorbed on magnesium oxide |
Autor: | Branda, M.M.; Peralta, J.E.; Castellani, N.J.; Contreras, R.H. |
Filiación: | Departamento de Física, Universidad Nacional del sur, Av. Alem 1253, 8000 Bahía Blanca, Argentina Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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Palabras clave: | Ab initio quantum chemical methods and calculations; Alcohols; Catalysis; Magnesium oxides; Physical adsorption; Adsorption; Catalysis; Charge transfer; Hydrogen bonds; Magnesia; Methanol; Negative ions; Oxygen; Substrates; Physical adsorption; Surface chemistry |
Año: | 2002
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Volumen: | 504
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Página de inicio: | 235
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Página de fin: | 243
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DOI: |
http://dx.doi.org/10.1016/S0039-6028(02)01102-0 |
Título revista: | Surface Science
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Título revista abreviado: | Surf Sci
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ISSN: | 00396028
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CODEN: | SUSCA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00396028_v504_n_p235_Branda |
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Citas:
---------- APA ----------
Branda, M.M., Peralta, J.E., Castellani, N.J. & Contreras, R.H.
(2002)
. Theoretical study of charge transfer interactions in methanol adsorbed on magnesium oxide. Surface Science, 504, 235-243.
http://dx.doi.org/10.1016/S0039-6028(02)01102-0---------- CHICAGO ----------
Branda, M.M., Peralta, J.E., Castellani, N.J., Contreras, R.H.
"Theoretical study of charge transfer interactions in methanol adsorbed on magnesium oxide"
. Surface Science 504
(2002) : 235-243.
http://dx.doi.org/10.1016/S0039-6028(02)01102-0---------- MLA ----------
Branda, M.M., Peralta, J.E., Castellani, N.J., Contreras, R.H.
"Theoretical study of charge transfer interactions in methanol adsorbed on magnesium oxide"
. Surface Science, vol. 504, 2002, pp. 235-243.
http://dx.doi.org/10.1016/S0039-6028(02)01102-0---------- VANCOUVER ----------
Branda, M.M., Peralta, J.E., Castellani, N.J., Contreras, R.H. Theoretical study of charge transfer interactions in methanol adsorbed on magnesium oxide. Surf Sci. 2002;504:235-243.
http://dx.doi.org/10.1016/S0039-6028(02)01102-0