STRUCTURAL CHARACTERIZATION AND NONLINEAR OPTICAL PROPERTIES OF 1-PHENYL-3-(4-bis(2-CHLOROETHYL)AMINOPHENYL)-2-PROPEN-1-ONE

A new chalcone derivative 1-phenyl-3-(4-bis(2-chloroethyl)aminophenyl)-2-propen-1-one with the molecular formula C 19 H 19 Cl 2 NO is synthesized by the Claisen-Schmidt condensation reaction.A transparent yellow single crystal was obtained by the slow evaporation solution growth technique using ethanol at room temperature.The compound crystallizes in the triclinic crystal system, P-1 space group, Z = 4, calculated density = 1.332 mg/m 3 , V = = 1736.00(8)Å 3 with unit cell parameters a = 7.8899(2) Å, b = 14.1924(4)Å, c = 15.7879(4)Å, D = 83.1280(10)q,E = 81.929(2)q,J =86.4820q.The second harmonic generation efficiency is found to be 1.5 times higher than that of urea.Thermal stability of the crystal is found to be 250 qC determined from the thermogravimetric analysis.The FT-IR spectroscopy is used to identify the functional groups of the synthesized compound.The optical behavior of the grown crystal is examined by the UV-visible spectral analysis, which shows that the absorbance is almost negligible in the wavelength range 400-1300 nm.