Abstract

This paper presents infrared spectral data in the three micron region for ordinary and deuterium-substituted acetic, trichloroacetic, and trifluoroacetic acids. Series regularities are pointed out among the many submaxima appearing in the broad associated hydroxyl vibration band. The spacing between the submaxima for the heavy acids appears to be only one half that for the light acids. A critical discussion is given of various combination band hypotheses which have been proposed to explain the structure of the associated band. An alternative hypothesis is then suggested. This explanation postulates a series of regularly spaced positions of equilibrium of the hydrogen atom between the oxygen atoms in the O—H…O chain, these different positions corresponding to different quantized ground-state energy levels of the dimer molecule. It is suggested that the different members of a series of absorption submaxima might then be correlated with transitions to the first-excited state from the corresponding different ground states.

© 1953 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Reversible Photodimerization: a New Type of Photochromism

W. J. Tomlinson, E. A. Chandross, R. L. Fork, C. A. Pryde, and A. A. Lamola
Appl. Opt. 11(3) 533-548 (1972)

Similarities in the Infrared Spectra of Homologous Compounds

Richard G. Fowler and Raymond M. Smith
J. Opt. Soc. Am. 43(11) 1054-1057 (1953)

Finite hydrocarbon chains incorporating cumulenic structures: prediction by ab initio calculations of their equilibrium geometry and electric polarizability

V. P. Bodart, J. Delhalle, M. Dory, J. G. Fripiat, and J.-M. André
J. Opt. Soc. Am. B 4(6) 1047-1054 (1987)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (1)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription