AI Article Synopsis
- The cobalt(II) complex has a central cobalt atom with an octahedral structure, featuring azide anions in axial positions and thia-diazole ligands in equatorial positions.
- The thia-diazole and pyridine components are nearly flat, indicating strong molecular alignment with minimal deviation.
- Crystal stability arises from weak hydrogen bonds and interactions between pyridine aromatic rings, contributing to a layered crystal structure.
Article Abstract
In the mononuclear title complex, [Co(N3)2(C12H8N4S)2], the cobalt(II) atom is located on an inversion centre and displays an axially weakly compressed octa-hedral coordination geometry. The equatorial positions are occupied by the N atoms of two 2,5-bis-(pyridin-2-yl)-1,3,4-thia-diazole ligands, whereas the axial positions are occupied by N atoms of the azide anions. The thia-diazole and pyridine rings linked to the metal are almost coplanar, with a maximum deviation from the mean plane of 0.0273 (16) Å. The cohesion of the crystal is ensured by weak C-H⋯N hydrogen bonds and by π-π inter-actions between pyridine rings [inter-centroid distance = 3.6356 (11) Å], forming a layered arrangement parallel to (001). The structure of the title compound is isotypic with that of the analogous nickel(II) complex [Laachir et al. (2013 ▶). Acta Cryst. E69, m351-m352].
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420119 | PMC |
| http://dx.doi.org/10.1107/S2056989015006544 | DOI Listing |
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