Molecular dynamics model of dimethyl ether

B. Lin, W. J. Halley

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

We report a molecular dynamics model of the monomeric liquid dimethyl ether. The united atom approach is used to treat CH3 groups as point source centers. Partial charges are derived from the experimental dipole moment. Harmonic force constants are used for intramolecular interactions, and their values are so chosen that the model's fundamental frequencies agree with experimental results. Because we are interested in solvation properties, the model contains flexible molecules, allowing molecular distortion and internal dynamical quantities. We report radial distribution functions and the static structure factors as well as some dynamical quantities such as the dynamical structure factor, infrared absorption, and Raman scattering spectra. Calculated results agree reasonably well with experimental and other simulation results.

Original languageEnglish (US)
Pages (from-to)16474-16478
Number of pages5
JournalJournal of physical chemistry
Volume99
Issue number44
DOIs
StatePublished - 1995

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