A flexible and polarizable methanol model has been developed on the basis of charge response kernel (CRK) theory. The present CRK methanol model well reproduces bulk liquid and interfacial properties, including density, enthalpy of vaporization, diffusion coefficient, surface tension, and radial distribution functions. The modeling of intramolecular potential incorporates the anharmonic coupling effects pertinent to the Fermi resonance of stretching and bending overtones, with its effective quantum correction. Therefore, the present methanol model can describe the vibrational spectroscopic features of infrared, Raman, and sum frequency generation spectra of C–H or C–D stretching region of methanol or deuterated methanol on the same footing. This model allows for further detailed analysis of C–H vibrations of alkyl moieties by molecular dynamics simulation.
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14 January 2011
Research Article|
January 11 2011
Molecular dynamics simulation of liquid methanol. I. Molecular modeling including C–H vibration and fermi resonance Available to Purchase
Tatsuya Ishiyama (石山達也);
Tatsuya Ishiyama (石山達也)
Department of Chemistry, Graduate School of Science,
Tohoku University
, Aoba-ku, Sendai 980-8578, Japan
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Vladimir V. Sokolov;
Department of Chemistry, Graduate School of Science,
Tohoku University
, Aoba-ku, Sendai 980-8578, Japan
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Akihiro Morita (森田明弘)
Department of Chemistry, Graduate School of Science,
Tohoku University
, Aoba-ku, Sendai 980-8578, Japan
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Tatsuya Ishiyama (石山達也)
Vladimir V. Sokolov
Akihiro Morita (森田明弘)
Department of Chemistry, Graduate School of Science,
Tohoku University
, Aoba-ku, Sendai 980-8578, Japan
a)
Also at Department of Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan.
b)
Author to whom correspondence should be addressed. Electronic mail: [email protected].
J. Chem. Phys. 134, 024509 (2011)
Article history
Received:
August 25 2010
Accepted:
October 19 2010
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Citation
Tatsuya Ishiyama, Vladimir V. Sokolov, Akihiro Morita; Molecular dynamics simulation of liquid methanol. I. Molecular modeling including C–H vibration and fermi resonance. J. Chem. Phys. 14 January 2011; 134 (2): 024509. https://doi.org/10.1063/1.3514139
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