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Nickel(II) Dithiocarbamates with Bis(2-diphenylphosphinoethyl)phenylphosphine

Pastorek R., Kamenicek J., Husarek J., Cvek B., Malon M., Pavlicek M., Sindelar Z.

Polish Journal of Chemistry

2004

Vol. 78 / nr 5

623-633

A Ni(II) dithiocarbamates with the tridentate P,P,P-ligand of composition [Ni(pe2dtc)(triphosI)]X (triphosI = C34H33P3 = bis(2-diphenylphosphinoethyl) phenylphosphine, pe2dtc = dipentyldithiocarbamate, X = Cl, PF6, ClO4), [Ni(bz2dtc)(triphosI)]X (bz2dtc = dibenzyldithiocarbamate, X = Cl, PF6) and [Ni(cetdtc)(triphosI)]X (cetdtc = cyclohexylethyldithiocarbamate, X = Cl, PF6, BPh4, ClO4) have been synthesized and studied by thermal analysis, IR and UV/VIS spectroscopy, 31P{1H}-NMR spectroscopy, magnetochemical and conductivity measurements. All complexes are diamagnetic, 1:1 electrolytes. X-ray structural analysis was solved for the [Ni(pe2dtc)(triphosI)]PF6 and [Ni(bz2dtc)(triphosI)]PF6; the presence of NiS2P3

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.