DOI: 10.1063/1.1287145. Structure and dynamics of nonaqueous mixtures of dipolar liquids. I. Infrared and far-infrared spectroscopy

Structure and dynamics of nonaqueous mixtures of dipolar liquids. I. Infrared and far-infrared spectroscopy

10.1063/1.1287145

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Mixtures of acetone/methanol, acetonitrile/methanol, and acetone/acetonitrile over their whole composition range were studied with infrared and far-infrared (THz) spectroscopy. Experimental spectra of all mixtures were obtained below 120 cm−1, and spectra of methanolic mixtures were also measured from 400 to 1000 cm−1. The mixtures display ideal absorption spectra below 120 cm−1, contrasting with significant nonidealities in the absorption of aqueous mixtures in the same frequency range. Dramatic changes as a function of composition were found in methanolic mixtures at higher frequencies. The high frequency librational band of methanol, centered at 670 cm−1, shifts to substantially lower frequencies upon dilution, indicating marked changes in the librational motion of the hydroxyl hydrogen of methanol. This band is a sensitive probe of the hydrogen bonding environment experienced by methanol molecules.

Bibliography

Venables, D. S., Chiu, A., & Schmuttenmaer, C. A. (2000). Structure and dynamics of nonaqueous mixtures of dipolar liquids. I. Infrared and far-infrared spectroscopy. The Journal of Chemical Physics, 113(8), 3243â3248.

Authors 3

Dean S. Venables (first)
Allan Chiu (additional)
Charles A. Schmuttenmaer (additional)

References 15 Referenced 51

10.1063/1.1287146 / J. Chem. Phys. (2000)
10.1366/0003702963905385 / Appl. Spectrosc. (1996)
10.1021/jp960141g / J. Phys. Chem. (1996)
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10.1063/1.465213 / J. Chem. Phys. (1993)
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10.1039/f19858101963 / J. Chem. Soc., Faraday Trans. 1 (1985)
10.1063/1.475902 / J. Chem. Phys. (1998)
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10.1021/jp983739s / J. Phys. Chem. A (1999)
10.1080/00268979600100901 / Mol. Phys. (1996)
10.1063/1.464452 / J. Chem. Phys. (1993)
{'key': '2023070816352641300_r15'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:20 a.m.)
Deposited	2 years, 1 month ago (July 8, 2023, 12:35 p.m.)
Indexed	1 year, 6 months ago (Feb. 11, 2024, 2:57 a.m.)
Issued	25 years ago (Aug. 22, 2000)
Published	25 years ago (Aug. 22, 2000)
Published Print	25 years ago (Aug. 22, 2000)

Funders 0

None

BibTeX

@article{Venables_2000, title={Structure and dynamics of nonaqueous mixtures of dipolar liquids. I. Infrared and far-infrared spectroscopy}, volume={113}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1287145}, DOI={10.1063/1.1287145}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Venables, Dean S. and Chiu, Allan and Schmuttenmaer, Charles A.}, year={2000}, month=aug, pages={3243–3248} }

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