Reversible absorption of sulfur dioxide by bis(diphenylphosphino)ethanenickel(II) aryldithiolates

James Darkwa

doi:10.1016/S0020-1693(96)05459-X

Reversible absorption of sulfur dioxide by bis(diphenylphosphino)ethanenickel(II) aryldithiolates

James Darkwa

University of Limpopo

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

Reaction of dithiols with Ni(dppe)Cl₂ gave monomeric or dimeric dithiolato compounds depending on the nature of the dithiol. Toluenedithiol (TDT) and 1,2-benzenedithiol (1,2-BDT) gave Ni(dppe) (TDT) (1) and Ni(dppe) (1,2-BDT) (2), respectively, whereas 1,3-benzenedithiol (1,3-BDT) gave [Ni(dppe)Cl]₂(1,3-BDT) (3). Single crystal X-ray diffraction studies of 2 showed a square planar nickel environment. Complexes 1 and 2 reacted rapidly and reversibly with SO₂ to form 1 · SO₂ and 2 · SO₂, respectively. The reversibility of the SO₂ reactions was established by a combination of UV-Vis and ¹H NMR spectroscopy.

Original language	English
Pages (from-to)	137-141
Number of pages	5
Journal	Inorganica Chimica Acta
Volume	257
Issue number	1
DOIs	https://doi.org/10.1016/S0020-1693(96)05459-X
Publication status	Published - 1 Apr 1997
Externally published	Yes

Keywords

Crystal structures
Dithiolato complexes
Nickel complexes
Sulfur dioxide absorption

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/S0020-1693(96)05459-X

Cite this

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title = "Reversible absorption of sulfur dioxide by bis(diphenylphosphino)ethanenickel(II) aryldithiolates",

abstract = "Reaction of dithiols with Ni(dppe)Cl2 gave monomeric or dimeric dithiolato compounds depending on the nature of the dithiol. Toluenedithiol (TDT) and 1,2-benzenedithiol (1,2-BDT) gave Ni(dppe) (TDT) (1) and Ni(dppe) (1,2-BDT) (2), respectively, whereas 1,3-benzenedithiol (1,3-BDT) gave [Ni(dppe)Cl]2(1,3-BDT) (3). Single crystal X-ray diffraction studies of 2 showed a square planar nickel environment. Complexes 1 and 2 reacted rapidly and reversibly with SO2 to form 1 · SO2 and 2 · SO2, respectively. The reversibility of the SO2 reactions was established by a combination of UV-Vis and 1H NMR spectroscopy.",

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N2 - Reaction of dithiols with Ni(dppe)Cl2 gave monomeric or dimeric dithiolato compounds depending on the nature of the dithiol. Toluenedithiol (TDT) and 1,2-benzenedithiol (1,2-BDT) gave Ni(dppe) (TDT) (1) and Ni(dppe) (1,2-BDT) (2), respectively, whereas 1,3-benzenedithiol (1,3-BDT) gave [Ni(dppe)Cl]2(1,3-BDT) (3). Single crystal X-ray diffraction studies of 2 showed a square planar nickel environment. Complexes 1 and 2 reacted rapidly and reversibly with SO2 to form 1 · SO2 and 2 · SO2, respectively. The reversibility of the SO2 reactions was established by a combination of UV-Vis and 1H NMR spectroscopy.

AB - Reaction of dithiols with Ni(dppe)Cl2 gave monomeric or dimeric dithiolato compounds depending on the nature of the dithiol. Toluenedithiol (TDT) and 1,2-benzenedithiol (1,2-BDT) gave Ni(dppe) (TDT) (1) and Ni(dppe) (1,2-BDT) (2), respectively, whereas 1,3-benzenedithiol (1,3-BDT) gave [Ni(dppe)Cl]2(1,3-BDT) (3). Single crystal X-ray diffraction studies of 2 showed a square planar nickel environment. Complexes 1 and 2 reacted rapidly and reversibly with SO2 to form 1 · SO2 and 2 · SO2, respectively. The reversibility of the SO2 reactions was established by a combination of UV-Vis and 1H NMR spectroscopy.

KW - Crystal structures

KW - Dithiolato complexes

KW - Nickel complexes

KW - Sulfur dioxide absorption

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Reversible absorption of sulfur dioxide by bis(diphenylphosphino)ethanenickel(II) aryldithiolates

Abstract

Keywords

ASJC Scopus subject areas

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