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Synthesis of a Novel Nickel(II) Complex with Dithiocarbimate from Sulfonamide

Authors:	Marcelo R L Oliveira José E J C Graúdo Nivaldo L Speziali Vito M De Bellis

Institution:	(1) Departamento de Química, ICEB, Universidade Federal de Ouro Preto, Ouro Preto MG, Brazil;(2) Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora MG, Brazil;(3) Departamento de Física, ICEx, Universidade Federal de Minas Gerais, Belo Horizonte MG, Brazil;(4) Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Belo Horizonte MG, Brazil

Abstract:	Potassium N-4-methylphenylsulfonyldithiocarbimate, K₂(4-CH₃C₆H₄SO₂N=CS₂), reacted with nickel(II) chloride hexahydrate and tetrabutylammonium bromide to form the bis(N-4-methylphenylsulfonyldithiocarbimate)nickelate(II) tetrabutylammonium salt (Bu₄N)₂Ni(4-CH₃C₆H₄S₂C=NSO₂)₂]. The elemental analyses, IR and UV-Vis data obtained were consistent with the formation of a ${\text{nickel}}{\kern 1pt} - {\kern 1pt} {\text{sulfur}}$ diamagnetic planar complex. The ¹H NMR and the ¹³C NMR spectra showed the expected signals for the dithiocarbimate moiety and the tetrabutylammonium cation. The single-crystal structure analysis showed that this substance crystallizes in the triclinic ${P\bar 1}$ space group with a = 10.474(3) Å, b = 10.767(3) Å, c = 13.657(3) Å and = 81.54(2)°, = 80.44(2)°, = 67.63(2)°, V = 1398.5(8) Å³, and Z = 2. The nickel atom is coordinated to four sulfur atoms.

Keywords:	Nickel complex dithiocarbimate sulfonamide crystal structure
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