Abstract: The title complexes with n=7¹2,16 have been studied by Raman spectroscopy.The assignments of the main bands have been made. The halogens in the anion layer influ-ence indirectly on the internal vibrations of R-NH₃⁺ ions in the cation layer. The C-H stretching, CH₂ bending,C-C stretching and NH₃ rocking vibrations as well as LAM aresensitive to the effect of halogens. They present obvious differences in frequency value, rela-tive intensity ratio and splitting pattern. The structure of the cation layer closely interrelates to the structure of anion layer.

Key words: bis(n-alkylammonium) tetrahalogenozincate, Raman spectroscopy, layer struc-ture