Comparison study of non-centrosymmetric materials from aminopyridines

Performed study on the co-crystallization of heterocyclic molecules of aminopyridine series with a nonlinear optical chromophore (4-Nitrophenol) and receiving molecular crystals with non-centrosymmetric crystal lattice based on them. Experiments on the growth of single crystals of these substances by slow evaporation technique in a closed volume. The dependence of the crystal symmetry on the growing conditions. A comparative study of nonlinear optical properties of crystals based on aminopyridines and measured their nonlinear optical coefficients.