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N,N'-Bis[(E)-1-(thio-phen-3-yl)ethyl-idene]ethane-1,2-diamine.

ABSTRACT: The complete mol-ecule of the title compound, C(14)H(16)N(2)S(2), is generated by a crystallographic inversion centre. The thio-phene residue is close to being coplanar with the imine group [C-C-C-N torsion angle = 6.5 (2)°], and the conformation about the imine C=N bond [1.281 (2) Å] is E. In the crystal, the three-dimensional architecture is consolidated by C-H⋯N, C-H⋯π and S⋯S [3.3932 (7) Å] inter-actions.

SUBMITTER: Asiri AM

PROVIDER: S-EPMC3343990 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature

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N,N'-Bis[(E)-1-(thio-phen-3-yl)ethyl-idene]ethane-1,2-diamine.

Asiri Abdullah M AM Faidallah Hassan M HM Khan Khalid A KA Ng Seik Weng SW Tiekink Edward R T ER

Acta crystallographica. Section E, Structure reports online 20120310 Pt 4

The complete mol-ecule of the title compound, C(14)H(16)N(2)S(2), is generated by a crystallographic inversion centre. The thio-phene residue is close to being coplanar with the imine group [C-C-C-N torsion angle = 6.5 (2)°], and the conformation about the imine C=N bond [1.281 (2) Å] is E. In the crystal, the three-dimensional architecture is consolidated by C-H⋯N, C-H⋯π and S⋯S [3.3932 (7) Å] inter-actions. ...[more]

PMID: 22589899

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Project description:In the title complex, [Ni(NCS)(2)(C(17)H(20)N(4))], the Ni(2+) ion (site symmetry 2) is coordinated by the N,N,N,N-tetra-dentate Schiff base ligand and two thio-cyanate ligands, forming a distorted NiN(6) octa-hedral geometry, with the thio-cyanate N atoms in a trans orientation. The pendant methyl group of the central propane-1,2-diamine fragment of the ligand is statistically disordered over two sets of positions. In the crystal, weak aromatic π-π stacking between pyridine rings [centroid-centroid separation = 3.7081 (17) Å] may help to establish the packing.

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