Abstract
Optically good quality single crystals of Imidazolium hydrogen maleate (IM) were grown by slow evaporation solution technique method (SEST) at 30 °C. The formation of a crystalline compound was determined by single crystal XRD analysis. The Imidazolium hydrogen maleate was crystallized in monoclinic crystal system with a centrosymmetric space group P21/c. The crystalline nature was analyzed by powder XRD study. Irreducible representation was given for the crystal and using the FTIR and FT-Raman techniques the functional groups present in the title molecule was identified. UV–vis-NIR transmittance spectral analysis was adopted to obtain the optical properties of the crystal and the cut-off wavelength was observed at 320 nm with high transmittance. Thermal properties of the compound have been investigated by thermogravimetric (TG/DTG) and differential scanning calorimetry (DSC) studies. The mechanical properties of the crystal were carried out effectively by Vickers microhardness study. Dielectric studies as a function of different frequencies was carried out at 30 °C temperature. The third order nonlinear optical properties of the crystal were measured such as nonlinear refractive index (n2) and nonlinear absorption coefficient (β) and were investigated. The third order nonlinear optical susceptibility (χ(3)) as found to be 5.764 × 10−9 esu.
Published Version
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