The
thiosemicarbazone of 4-Chlorobenzaldehyde and Thiosemicarbazone of
M-Nitrobenzaldehyde is an interesting of organic compound in the crystalline
nature. The quartz meth glass which is grown slow evaporation method from the
solvent methanol. The harvested crystals were purified by repeated
recrystallization. FT-IR spectroscopic study was held out on the growth,
recognize the fundamental function group. Optical absorption studied illustrate
the low absorption in the entire UV and visible spectral. The UV-Visible
Spectra are confirming the optical transparency. This is more helpful to use
these crystals in option applications. The harvested crystals Thiosemicarbazone
of 4-Chlorobenzaldehyde and Thiosemicarbazone of M-Nitrobenzaldehyde were
characterized by proton nuclear magnetic resonance and of 13C NMR spectra which
show the molecular structure of the crystals. Its thermal stability for
analysis in the crystal by TGA and DSC. The TGA and DSC confirm the decay of
the sample at 210°C. It further confirms the grown crystal Thiosemicarbazone of
4-Chlorobenzaldehyde and Thiosemicarbazone M-Nitrobenzaldehyde is thermally
stable up to 210°C. The frequencies was identified in the crystal by dielectric
properties. The second harmonic generation efficiency of the powdered
thiosemicarbazone of 4-Chlorobenzaldehyde and Thiosemicarbazone of
M-Nitrobenzaldehyde and was tested using Nd: YAG laser and it is found to be
6.1 and 5.6 times higher than that of urea.
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