Badger, Richard M. and Bauer, Simon H. (1937) Spectroscopic Studies of the Hydrogen Bond I. A Photometric Investigation of the Association Equilibrium in the Vapor of Acetic Acid. Journal of Chemical Physics, 5 (8). pp. 605-608. ISSN 0021-9606 http://resolver.caltech.edu/CaltechAUTHORS:BADjcp37d
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The association equilibrium in the vapor of acetic acid has been studied by photometric measurement of the intensity of a narrow O[Single Bond]H band at lambda9750 which appears to be characteristic of the single molecules. The results are in reasonable agreement with vapor density measurements, indicating that the association is at least largely due to hydrogen bond formation and that two hydrogen bonds are formed in the majority of the double molecules. An O[Single Bond]H absorption characteristic of the double molecules could not be observed in the vapor state, due to insufficient path length, but in the liquid and in carbon tetrachloride solutions a broad band was found with maximum around lambda10,100. It is suggested that the spectroscopic criterion for the presence of hydrogen bonds is not the disappearance but rather the shift and modification of the O[Single Bond]H absorption.
|Additional Information:||Copyright © 1937 American Institute of Physics. Received April 2, 1937. The investigation here described is a part of a program of research made possible by a Grant-in-Aid of the National Research Council to one of us (R.M.B.) for which it is desired to express appreciation.|
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|Deposited On:||06 May 2008|
|Last Modified:||26 Dec 2012 10:00|
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