DOI: 10.1063/1.1726794. Trimethylene Oxide. III. Far-Infrared Spectrum and Double-Minimum Vibration

Trimethylene Oxide. III. Far-Infrared Spectrum and Double-Minimum Vibration

10.1063/1.1726794

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The 0–1 transition of the out-of-plane bending vibration in trimethylene oxide has been observed at 53.4 cm−1. Previously reported bands by Lord and his co-workers [J. Chem. Phys. 33, 294 (1960)] at 89.8, 105.2, 118.3, 128.9, 139.0, 147.6, 154.9, and 161.8 cm−1 have also been confirmed. In addition, six higher members of this series as well as three members of the Δv = 3 series have been observed. These transitions are readily interpreted in terms of the hot-band series of a slightly perturbed quartic oscillator. A double-minimum potential function of the form az4—bz2 predicted all the observed transitions to within experimental error (0.5 cm−1 or better). The central barrier in the potential-energy function, while low, is finite and has a height of 15.3±0.5 cm−1. It had previously been concluded, from the variation of the rotational constants with vibrational state obtained from microwave spectroscopy that the potential energy contained a small barrier of the order of zero-point energy at the planar configuration of the molecule [J. Chem. Phys. 33, 1643 (1960)]. The present far-infrared results are shown to be consistent with the microwave results. Thus an existing discrepancy between the far-infrared and microwave results on the nature of the potential function for this unique out-of-plane bending vibration is finally resolved.

Bibliography

Chan, S. I., Borgers, T. R., Russell, J. W., Strauss, H. L., & Gwinn, W. D. (1966). Trimethylene Oxide. III. Far-Infrared Spectrum and Double-Minimum Vibration. The Journal of Chemical Physics, 44(3), 1103â1111.

Authors 5

Sunney I. Chan (first)
T. R. Borgers (additional)
J. W. Russell (additional)
H. L. Strauss (additional)
W. D. Gwinn (additional)

References 20 Referenced 175

10.1063/1.1731477 / J. Chem. Phys. (1960)
10.1063/1.1731102 / J. Chem. Phys. (1960)
10.1063/1.1731739 / J. Chem. Phys. (1961)
10.1063/1.1731101 / J. Chem. Phys. (1960)
10.1016/0022-2852(63)90175-9 / J. Mol. Spectry. (1963)
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{'key': '2024020900334628300_r5', 'first-page': '996', 'volume': '49', 'year': '1959', 'journal-title': 'J. Opt. Soc. Am.'} / J. Opt. Soc. Am. (1959)
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10.1063/1.1726359 / J. Chem. Phys. (1964)
10.1364/AO.4.001131 / Appl. Optics (1965)
10.1126/science.144.3620.892 / Science (1964)
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10.1016/0022-2852(62)90015-2 / J. Mol. Spectry. (1962)
10.1016/0022-2852(62)90016-4 / J. Mol. Spectry. (1962)
10.1016/0022-2852(65)90186-4 / J. Mol. Spectry. (1965)
{'key': '2024020900334628300_r14'}
{'key': '2024020900334628300_r15'}

Dates

Type	When
Created	20 years, 7 months ago (Jan. 9, 2005, 3:17 a.m.)
Deposited	1 year, 6 months ago (Feb. 8, 2024, 7:33 p.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 9:22 p.m.)
Issued	59 years, 7 months ago (Feb. 1, 1966)
Published	59 years, 7 months ago (Feb. 1, 1966)
Published Print	59 years, 7 months ago (Feb. 1, 1966)

Funders 0

None

BibTeX

@article{Chan_1966, title={Trimethylene Oxide. III. Far-Infrared Spectrum and Double-Minimum Vibration}, volume={44}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1726794}, DOI={10.1063/1.1726794}, number={3}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Chan, Sunney I. and Borgers, T. R. and Russell, J. W. and Strauss, H. L. and Gwinn, W. D.}, year={1966}, month=feb, pages={1103–1111} }

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