ORGANIZATION OF ORIENTED LAYERS OF Zn(II), Cd(II), Hg(II) DIETHYLDITHIOCARBAMATO-IODINE COMPLEXES. S.A. Gromilov, A.V. Ivanchenko^*, S.A. Prokhorova, S.M. Zemskova. Institute of Inorganic Chemistry, Sib. Branch RAS, Novosibirsk, Russia; ^*Novosibirsk State University, Novosibirsk, Russia

A literature review on volatile Zn(II), Cd(II), Hg(II) dialkyldithiocarbamates has been made; their crystal structures, IR and UV spectra, thermal properties have been analyzed. A number of new dialkyldithiocarbamates with different alkyl substituents was synthesized.

The layers of up to 1 mkm from both homo- and heterometallic diethyeldithiocarbamato-iodine complexes ([MM'(Et^₂NCS^₂)^₂₂], M,M'= Zn, Cd, Hg) were obtained by means of evaporation in vacuum and further vapor deposition on silicon, quartz and glass substrates. An analysis of the X-ray powder patterns leads to the next conclusions:

the layers are the ideal oriented polycrystal films in all cases;

in the case of M=M'=Cd complexes, the crystal structure of the films obtained differs from the initial one;

for M=Cd, M'=Hg, the films obtained have both amorphous and crystal structures. The latters have the [001] texture axis. The structural organization of the layers in the following direction was analyzed: the scale of the location of these complexes and their orientation relative to the surface. It was shown that the film surface is formed by C^₂H^₅ terminal groups.

The films were subjected to thermolysis until the corresponding sulphides arose.