Abstract
XRD study of crystals of zinc(II) halide complexes featuring 2,1,3-benzoselenadiazole (L) ligands [ZnL2X2] (X = Cl, Br, I) indicated availability of intramolecular chalcogen bonds between the Se atom and the halide ligands, which affect a rotation barrier around the Zn–N bonds and thus control a geometry of these species. In the solid state, the Se atom additionally forms intermolecular chalcogen bonds with the N atom of the 2,1,3-benzoselenadiazole ligands, which results in formation of infinite 1D chains. Theoretical calculations and experimental kinetic study indicated that although the Se atom serves as a Lewis acid, coordination of the organic ligand to the zinc(II) center does not provide enhanced catalytic activity of the latter in the model reaction of the Schiff condensation.
Published Version
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