Abstract
Crystalline adducts of zinc and copper(II) dithiocarbamate complexes with dibutyl-and diisobutylamines of the general formula [M(NHR′2)(S2CNR2)2] (M = Zn, 63Cu, and 65Cu; R = CH3 and C2H5; R2 = (CH2)4O; R′ = C4H9 and i-C4H9) were synthesized. Their structures and spectroscopic properties were studied by EPR and solid-state natural abundance 13C and 15N CP/MAS NMR spectroscopy. Experimental EPR data and computer-assisted modeling confirmed the individual character of copper(II) adducts. The geometries of the copper coordination polyhedra were found to be intermediate between a tetragonal pyramid and a trigonal bipyramid (TBP). The contributions from TBP to the geometries of the adducts obtained were calculated from the EPR data. According to the X-ray diffraction data, the adduct of zinc diethyldithiocarbamate with diisobutylamine exists in two isomeric forms. The 13C and 15N CP/MAS NMR signals were assigned to the atomic positions in two crystallographically independent conformer molecules.
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Original Russian Text © A.V. Ivanov, A.S. Zaeva, E.V. Novikova, A.V. Gerasimenko, W. Forsling, 2007, published in Koordinatsionnaya Khimiya, 2007, Vol. 33, No. 4, pp. 243–253.
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Ivanov, A.V., Zaeva, A.S., Novikova, E.V. et al. Adducts of zinc and copper(II) dialkyldithiocarbamate complexes with dibutyl-and diisobutylamines: Synthesis, structures, EPR and solid-state natural abundance 13C and 15N CP/MAS NMR spectra. Russ J Coord Chem 33, 233–243 (2007). https://doi.org/10.1134/S107032840704001X
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DOI: https://doi.org/10.1134/S107032840704001X