Methods of Detection Infrared and Raman Spectroscopy

Since the absence of characteristic OH absorption is found to be closely correlated with the presence of the hydrogen bond it has been inductively concluded that the absence of such OH absorption constitutes a good criterion for the presence of a hydrogen bond. 

HILBERT, O. R. WULF, S. B. HENDRICKS, and U. LIDDEL Bureau of Chemistry and Soils, 1936 

Thus the stage is set for the opening line, quoted above. This announced the recognition of the most sensitive, the most characteristic, and one of the most informative manifestations of the H bond (919). From this start has grown the immense volume of work to be treated 

Vibrational modes which will be discussed are shown in Fig. 3-1. The arrows suggest the principal displacements involved in the oscillatory movements of the atoms. Note that symbols are assigned with the convention of an English letter subscript to identify vibrational 

2 Importance of Infrared and Raman Techniques. Four facts which have stimulated most of the subsequent spectral studies of H bonds were soon established. Because of the sensitivity of the vibrational spectrum (r in particular) to the H bond formation, IR spectroscopy provides  

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