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1 2002

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Non-Symmetrical Nickel(II)dithiocarbamates with NiS2P2-Chromophore

Pastorek R., Kámeniček J., Husárek J., Pavliček M., Šindelár Z., Žak Z.

Polish Journal of Chemistry

2002

Vol. 76 / nr 11

1545-1551

Non-symmetrically substituted Ni(II)dithiocarbamate complexes with NiS2P2 chromophore of composition [Ni(bziprdtc)(PPh3)2]X, [Ni(bziprdtc)(PPh3)2]BPh4_3H2O (bziprdtc- = benzylisopropyldithiocarbamate, PPh3 = triphenylphosphine, BPh4 _ = tetraphenylborate, X = ClO4 _ , PF6 _ ), [Ni(cetdtc)(PPh3)2]X, [Ni(cetdtc)(PPh3)2]PF6, [Ni(cetdtc)(PBut3)2]X (cetdtc- = cyclohexylethyldithiocarbamate, PBut3 = tributylphosphine, X = ClO4 _ , BPh4 _ ) have been isolated. These complexes have been characterized by elemental analysis, IR and UV-VIS spectroscopy, thermal analysis, magnetochemical and conductivity measurements. X-ray structural analysis of [Ni(bziprdtc)(PPh3)2]ClO4_0.5H2O confirms the NiS2P2 chromophore with a slightly distorted square arrangement around the central atom.