Vibrational Spectroscopic Studies of Amino acid p-toluenesulfonic acid NLO Crystals

In the present work, a comparative study on the vibrational spectrums recorded on some newly synthesized amino acid p- toluenesulfonic acid NLO crystals are discussed. Infrared spectral measurements of all the grown crystals were made in the range of 4000–400 cm-1 using Jasco Spectrometer FT-Raman spectra of the grown crystals were recorded in the BRUKER RFS 27, Stand alone FT-Raman Spectrometer in the range of 4000 – 400 cm-1 The Nd: YAG laser source was operated at 1064 nm. FT-IR and FT-Raman spectral analyses shows the different functional groups present in the studied compounds. Its intensities and positions are analyzed. The high intensity vibrational bands observed around 2950 cm-1 which is assigned to N- H…O vibrations shows the influence of hydrogen bonds in the analyzed compounds.