Zinc tris thiourea sulphate (ZTS) is one of the promising semiorganic crystals useful for nonlinear optical application. The effect of hippuric acid doping on the growth aspects, structural and optical properties of ZTS crystal was investigated. In the present work, slow evaporation technique was employed to grow pure and 1 mol% hippuric acid doped ZTS (HAZTS) single crystals. The grown crystals were obtained in a period of 23 days. Powder XRD analysis reveals the crystalline nature of the grown crystals. Both the crystals exhibit orthorhombic crystal structure. The lattice parameters of the grown crystals are: a = 11.0466 Å, b = 7.6949 Å and c = 15.6393 Å (for pure ZTS); a = 11.1302 Å, b = 7.7081 Å and c = 15.5033 Å (for HAZTS). The UV-Vis-NIR spectral analysis was carried out to study the effect of doping on the optical characteristics of the grown crystals. The crystal is transparent over the entire visible region. The bonding structure and molecular associations were analyzed by FTIR spectroscopy.The results of powder SHG test, HRXRD analysis will also be presented and discussed in detail.

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