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1-Butyl-pyridinium bis-(1,2-dicyano-ethene-1,2-dithiol-ato)nickelate(III).

ABSTRACT: The Ni(III) atom in the anion of the title complex, (C(9)H(14)N)[Ni(C(4)N(2)S(2))(2)], is coordinated by four S atoms of two maleonitrile-dithiol-ate ligands, and exhibits a square-planar coordination geometry.

SUBMITTER: Duan HB

PROVIDER: S-EPMC3246985 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:In the ionic title complex, (C(13)H(11)N(2))(2)[Ni(C(4)N(2)S(2))(2)], the Ni(II) ion is located on an inversion centre so the asymmetric unit contains one-half [Ni(mnt)(2)](2-) dianion (mnt(2-) is maleonitrile-dithiolate) and one 1-(3-cyano-benz-yl)pyridinium cation ([CNBzPy](+)). The Ni(II) ion in the [Ni(mnt)(2)](2-) anion is coordinated by four S atoms of two mnt(2-) ligands, and exhibits square-planar coordination geometry. In the [CNBzPy](+) cation, the benzene and pyridine rings are twisted with respect to the C/C/N plane incorporating the methyl-ene C atom that links them. The crystal structure is stabilized by Coulombic inter-actions.

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Project description:The asymmetric unit of the title ion-pair complex, (C(9)H(12)NO(2))(2)[Ni(C(4)N(2)S(2))(2)], contains two 1-(eth-oxy-carbonyl-meth-yl)pyridinium cations and one bis-(1,2-dicyano-ethene-1,2-dithiol-ato)nickelate(II) dianion, which exhibits a slightly distorted square-planar coordination geometry. In the crystal, the cations are linked by strong C-H⋯O hydrogen bonds into C(6) chains along [100]. The cations and anions are linked into a three-dimensional architecture by weak C-H⋯N and C-H⋯S inter-actions.

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Project description:In the title compound, (C(8)H(15)N(2))[Ni(C(4)N(2)S(2))(2)], the Ni(III) atom is coordinated by four S atoms of two maleonitrile-dithiol-ate ligands and exhibits a distorted square-planar geometry. In the crystal, the cations and anions are connected alternately by weak inter-molecular C-H?N hydrogen bonds, forming a zigzag chain along [201].

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Project description:The asymmetric unit of the title complex, (C(9)H(15)N(2))(2)[Ni(C(4)N(2)S(2))(2)], comprises one 4-dimethyl-amino-1-ethyl-pyri-din-ium cation and one half of a [Ni(mnt)(2)](2-) (mnt(2-) = maleo-nitrile-dithiol-ate) anion; the complete anion is generated by the application of a centre of inversion. The Ni(II) ion is coordinated by four S atoms of two mnt(2-) ligands and exhibits a square-planar coordination geometry.

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