An infrared spectroscopy correlation table or table of infrared absorption frequencies is a list of absorption peaks and frequencies typically reported in wavenumber for common types of molecular bonds and functional groups. The wide spectral range for the c o stretching mode of α β conjugated ketones in the liquid state is likely due to the coexistence of different rotational isomers. The vinyl benzaldehyde introduced into the quinoxaline derivatives in the conjugation unit showed strong bluish green emission at 484nm in the photoluminescene spectra.
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