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2 Polish Journal of Chemistry

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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.

Cyclohexylethyl- and Hexamethyleneimine Nickel(II)dithiocarbamates with 1,6-Bis(diphenylphosphino)hexane

Pastorek R., Kameníček J., Husárek J., Pavlíček M., Šindelář Z., Žák Z.

Polish Journal of Chemistry

2003

Vol. 77 / nr 7

805-812

A binuclear diamagnetic Ni(II) dithiocarbamates with 1,6-bis(diphenylphosphino)hexane (dpph) as a bidentate bridging P,P-ligand of composition [Ni2(_-dpph)(hmidtc)2X2] (hmidtc = hexamethyleneiminedithiocarbamate, dtc = S2CN-, X = Cl, Br, I, ClO4, NCS); [Ni2(_-dpph)(cetdtc)2X2] (cetdtc = cyclohexylethyldithiocarbamate, X = Cl, Br, I, NCS) and also the mononuclear diamagnetic complex [Ni(cetdtc)(dpph)]ClO4_2H2O have been synthesized. The complexes have been studied by elemental analysis, IR and UV-VIS spectroscopy, thermal analysis, magnetochemical and conductivity measurements. X-ray structural analysis was solved for the [Ni2(_-dpph)(hmidtc)2Br2]_2CHCl3 and confirmed the presence of two NiS2PBr chromophores bonded by the P-donor atoms of 1,6-bis(diphenylphosphino)hexane.