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1 2005

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Nickel(II) Dithiocarbamates with AsI3 and SbI3 as Mixed Ligands

Pastorek R., Kameníček J., Trávníček Z., Pavlíček M., Cvek B., Husárek J., Šindelář Z.

Polish Journal of Chemistry

2005

Vol. 79 / nr 4

637-644

Ni(II) dithiocarbamates with AsI3 or SbI3 as ligands of the composition [Ni(hmidtc)2(AsI3)] (1), [Ni(bzbutdtc)2(AsI3)] (2), [Ni(bzbutdtc)2(SbI3)]_2CHCl3 (3), [Ni(bz2dtc)2(AsI3)] (4), [Ni(bz2dtc)2(SbI3)]_CS2 (5), [Ni(hmidtc)2(AsI3)2]_CHCl3 (6), [Ni(hmidtc)2(SbI3)2] (7) and [Ni(cetdtc)2(AsI3)2] (8), (hmidtc = hexamethyleneiminedithiocarbamate, bzbutdtc = benzylbutyldithiocarbamate, bz2dtc = dibenzyldithiocarbamate, cetdtc = cyclohexylethyldithiocarbamate, dtc = S2CN-) have been synthesized. The complexes have been characterized by elemental analyses, thermal analysis, IR and UV/VIS spectroscopies, magnetochemical and conductivity measurements as square-pyramidal (1-5) and octahedral (6-8) complexes. X-ray analysis of [Ni(bz2dtc)2(AsI3)] and [Ni(bz2dtc)2(SbI3)]_CS2 confirmed square-pyramidal arrangement around nickel in both complexes with the NiS4As and NiS4Sb chromophore, respectively.