On the validity of the constants of ionic substituents. Substituent effects on the cyano stretching frequencies and intensities of trans-α-phenyl-β-arylacrylonitriles

Article abstract of DOI:10.1016/0584-8539(95)01438-Z

Fourier-transform IR frequencies υ(C<*>N) and integrated intensities A(C<*>N) of the cyano groups of a series of trans-α-phenyl-β-arylacrylonitriles (51 compounds) have been measured.Both υ(C<*>N) and the square roots of A(C<*>) of the neutral m- and p-su