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The O–H Band in the Vapors of Some Organic Acids and of Tertiary Amyl Alcohol in the Region λ9700

Bauer, Simon H. and Badger, Richard M. (1937) The O–H Band in the Vapors of Some Organic Acids and of Tertiary Amyl Alcohol in the Region λ9700. Journal of Chemical Physics, 5 (11). pp. 852-855. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:20140805-114154608

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Abstract

Absorption bands corresponding to the third harmonic of the O–H vibration have been observed in the vapors of formic, acetic, propionic and trichloracetic acids, with centers at about 10202.8, 10242, 10235 and 10250 cm^(‐1), respectively. Formic acid alone gave a band with resolvable fine structure, but this has unusual features and may be described as a hybrid. The simultaneous presence of characteristics similar to those of both "perpendicular" and "parallel" type bands of symmetrical molecules is due to the fact that the change in electric moment produced by the O–H vibration has components along two of the principal axes of the molecule. Rotational constants for the formic acid molecule have been evaluated and the moments of inertia were found to be 85.2, 74.4 and 10.81×10^(‐40) g cm^2. The structures of the organic acid molecules are discussed and a comparison is made with nitric acid. In tert‐amyl alcohol a band with single broad maximum at about 10414 cm^(‐1) was found.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.1749953DOIArticle
http://scitation.aip.org/content/aip/journal/jcp/5/11/10.1063/1.1749953PublisherArticle
Additional Information:© 1937 American Institute of Physics. (Received August 7, 1937) This investigation is a part of a program of research made possible by a grant-in-aid from the National Research Council to one of us (R. M. B.) for which it is desired to express appreciation.
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National Research CouncilUNSPECIFIED
Record Number:CaltechAUTHORS:20140805-114154608
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140805-114154608
Official Citation:The O–H Band in the Vapors of Some Organic Acids and of Tertiary Amyl Alcohol in the Region λ9700 Bauer, Simon H. and Badger, Richard M., The Journal of Chemical Physics, 5, 852-855 (1937), DOI:http://dx.doi.org/10.1063/1.1749953
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47977
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:06 Aug 2014 15:28
Last Modified:13 Feb 2019 18:01

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