Abstract
Infrared linear dichroic (IR-LD) spectra of three substance (2-naphthaldehyde, terephthalaldehyde and terephthalophenone) whose molecules give rise to two conformers were studied in the present article. It was aimed to understand how both conformers of each molecule orient in a nematic solution and could they be distinguished by means of IR-LD spectra. For this purpose the substances to be studied were dissolved and oriented in the nematic phase ZLI-1695 (Merck). The results thus obtained show that IR-LD spectra can help in distinguishing between the spectral bands of the conformers.
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