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1-(4-Cyano-benz-yl)-3,5-dimethyl-pyridinium bis-(benzene-1,2-dithiol-ato)nickelate(III).

ABSTRACT: The asymmetric unit of the title compound, (C(15)H(15)N(2))[Ni(C(6)H(4)S(2))(2)], contains half each of two independent centrosymmetric anions and a single cation in a general position. The Ni(III) ions are coordinated by four S atoms in a square-planar geometry. The anions exhibit two packing modes, viz. stacked along the a axis in a face-to-face fashion with an alternate arrangement of anions and cations, and stacked in a side-by-side fashion, forming ribbons parallel to (011).

SUBMITTER: Dong YJ

PROVIDER: S-EPMC3051972 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis[1-(3-cyano-benz-yl)pyridinium] bis-(1,2-dicyano-ethene-1,2-dithiol-ato)nickelate(II).

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3,5-Dimethyl-1-(4-nitro-benz-yl)pyridinium bis-(benzene-1,2-dithiol-ato-?(2)S,S')nickelate(III).

Project description:The asymmetric unit of the title compound, (C(14)H(15)N(2)O(2))[Ni(C(6)H(4)S(2))(2)], contains one cation and two halves of two centrosymmetric crystallographically independent anions. In the anions, the Ni(III) atoms are coordinated by four S atoms in a distorted square-planar geometry. In the cation, the dihedral angle between the pyridine and benzene rings is 88.66?(17)°. In the crystal, anions and cations inter-act through C-H?S and C-H?O hydrogen bonds.

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Bis[1-(4-cyano-benz-yl)pyrazinium] bis-(1,2-dicyano-ethene-1,2-dithiol-ato)nickelate(II).

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Project description: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.

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4-Cyano-1-(4-nitro-benz-yl)pyridinium bis-(2-thioxo-1,3-dithiole-4,5-dithiol-ato-κS,S)nickelate(III).

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1-(2-Fluoro-benzyl-ideneamino)pyridinium bis-(1,2-dicyano-ethene-1,2-dithiol-ato)nickelate(II).

Project description:In the title complex, (C(12)H(10)FN(2))(2)[Ni(C(4)N(2)S(2))(2)], the anion lies on an inversion center with the Ni(II) ion coordinated by four S atoms in a slightly distorted square-planar environment. In the unique cation, the dihedral angle between the benzene and pyridine rings is 7.1 (2) Å.

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Bis(1-amino-4-methyl-pyridinium) bis-(1,2-dicyano-ethene-1,2-dithiol-ato-κS,S')nickelate(II).

Project description:The asymmetric unit of the title compound, (C(6)H(9)N(2))(2)[Ni(C(4)N(2)S(2))(2)], contains one half of an [Ni(mnt)(2)](2-) anion (mnt is maleonitrile-dithiol-ate or 1,2-dicyano-ethene-1,2-dithiol-ate) and one 1-amino-4-methyl-pyridinium cation. The Ni(II) atom is located on an inversion centre. In the crystal structure, inter-molecular N-H⋯N hydrogen bonds link the mol-ecules.

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Project description:The asymmetric unit of the salt, (C(12)H(11)ClN)(2)[Ni(C(2)N(2)S(3))(2)], comprises one cation and a half of Ni(tdas)(2) (tdas = 1,2,5-thia-diazole-3,4-dithiol-ate) anion. The Ni(II) atom is located at a centre of inversion. The Ni(II) atom has a square-planar coordination with Ni-S distances of 2.2052?(4) and 2.1970?(5)?Å. In crystal, weak C-H?S and C-H?Ni contacts are observed between the anions and cations.

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Crystal structure of bis-[1-(4-bromo-benz-yl)pyridinium] bis-(1,2-di-cyano-ethene-1,2-di-thiol-ato-?(2) S,S')nickelate(II).

Project description:The asymmetric unit of the title salt, (C12H11BrN)2[Ni(C4N2S2)2], consists of one 1-(4-bromo-benz-yl)pyridinium cation and one half of a complex [Ni(mnt)2](2-) (mnt(2-) is the maleo-nitrile-dithiol-ate dianion). The Ni(2+) ion is located on an inversion centre and is coordinated by four S atoms from two mnt(2-) ligands, exhibiting a square-planar coordination environment. In the cation, the planes of the pyridinium and benzene rings make a dihedral angle of 69.86?(19)°. The cations and anions are alternately arranged in layers parallel to (001) and are held together by non-classical C-H?N hydrogen bonds.

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