Single crystals of semiorganic nonlinear optical material L-proline zinc chloride (LPZC) were synthesized and grown by slow evaporation technique. The lattice parameters and space group were determined using single crystal XRD analysis. The optical transmittance and the lower cut-off wavelength of the LPZC was identified by UV–VIS– NIR studies. The modes of vibrations of different molecular groups present in the sample were identified by the FTIR spectral analysis. Dielectric measurement of LPZC was also carried out. The activation energy has been calculated using Arrhenius plot of ac conductivity.
