Planar nickel(II) complexes involving N-(2-Hydroxyethyl)-N-methyldithiocarbamate, such as [NiX(nmedtc)(PPh3)] (X = Cl, NCS; PPh3 = triphenylphosphine), and [Ni(nmedtc)(P-P)]ClO4(P-P = 1,1-bis(diphenylphosphino)methane(dppm); 1,3-bis(diphenylphosphino)propane (1,3-dppp); 1,4-bis(diphenylphosphino)butane(1,4-dppb) have been synthesized. The complexes have been characterized by elemental analyses, IR and electronic spectroscopies. The increased vC-N value in all the complexes is due to the mesomeric drift of electrons from the dithiocarbamate ligands to the metal atom. Single crystal X-ray structure of [Ni(nmedtc)(1,3-dppp)]ClO4 center dot H2O is reported. In the present 1,3-dppp chelate, the P-Ni-P angle is higher than that found in 1,2-bis(diphenylphosphino)ethane-nickel chelates and lower than 1,4-bis(diphenylphosphino)butane-nickel chelates, as a result of presence of the flexible propyl back bone connecting the two phosphorus atoms of the complex.

N-(2-Hydroxyethyl)-N-methyldithiocarbamato Complexes of Nickel(II) with Phosphorus Donor Ligands / A., Manohar; K., Ramalingam; R., Thiruneelakandan; G., Bocelli; Righi, Lara. - In: ZEITSCHRIFT FÜR ANORGANISCHE UND ALLGEMEINE CHEMIE. - ISSN 0044-2313. - 632:3(2006), pp. 461-464. [10.1002/zaac.200500282]

N-(2-Hydroxyethyl)-N-methyldithiocarbamato Complexes of Nickel(II) with Phosphorus Donor Ligands

RIGHI, Lara
2006-01-01

Abstract

Planar nickel(II) complexes involving N-(2-Hydroxyethyl)-N-methyldithiocarbamate, such as [NiX(nmedtc)(PPh3)] (X = Cl, NCS; PPh3 = triphenylphosphine), and [Ni(nmedtc)(P-P)]ClO4(P-P = 1,1-bis(diphenylphosphino)methane(dppm); 1,3-bis(diphenylphosphino)propane (1,3-dppp); 1,4-bis(diphenylphosphino)butane(1,4-dppb) have been synthesized. The complexes have been characterized by elemental analyses, IR and electronic spectroscopies. The increased vC-N value in all the complexes is due to the mesomeric drift of electrons from the dithiocarbamate ligands to the metal atom. Single crystal X-ray structure of [Ni(nmedtc)(1,3-dppp)]ClO4 center dot H2O is reported. In the present 1,3-dppp chelate, the P-Ni-P angle is higher than that found in 1,2-bis(diphenylphosphino)ethane-nickel chelates and lower than 1,4-bis(diphenylphosphino)butane-nickel chelates, as a result of presence of the flexible propyl back bone connecting the two phosphorus atoms of the complex.
2006
N-(2-Hydroxyethyl)-N-methyldithiocarbamato Complexes of Nickel(II) with Phosphorus Donor Ligands / A., Manohar; K., Ramalingam; R., Thiruneelakandan; G., Bocelli; Righi, Lara. - In: ZEITSCHRIFT FÜR ANORGANISCHE UND ALLGEMEINE CHEMIE. - ISSN 0044-2313. - 632:3(2006), pp. 461-464. [10.1002/zaac.200500282]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2435036
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