Phenol-Benzonitrile Hydrogen-bonded Complex

The complex between phenol and benzonitrile is another, structurally speaking, rather complicated representative of the class of phenol-nitrile systems which are always associated by means of the tt-electrons of the CN triple bond. Note that the IR spectra of a variety of phenol-nitrile systems have been reported . Experiments on the vibrational relaxation of benzonitrile in solutions were also studied by different groups  

FIGURE 56. The complex of phenol with benzonitrile. Bond lengths are in A, bond angles in deg 

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