Poly[ethanolbis(μ3-2-thioxo-1,2-dihydropyridin-1-olato)dilithium(I)]

• Main Authors: Hartmut Fuess, Ingrid Svoboda, Nina Schneiders, Jens Hartung
• Format: Article
• Language: English
• Published: International Union of Crystallography 2008-03-01
• Series: Acta Crystallographica Section E
• Online Access: http://scripts.iucr.org/cgi-bin/paper?S1600536808003619

The title compound, [Li2(C5H4NOS)2(C2H6O)]n, having two formula units in the asymmetric unit, forms infinite chains of Li2O2 rhombi along b, consisting of four independent Li and O atoms. Metal binding to 2-thiooxo-1,2-dihydropyridin-1-olate occurs in a bidentate fashion via O and S, and in a monodentate manner via the N-oxide O atom. π–π Interactions between polymeric chains are evident from centroid-to-centroid distances of pyridinethione fragments of 3.461 (6)–3.607 (6) Å. The N—O and C—S bond lengths are distinctively different from those in hitherto investigated NiII, ZnII and (H3C)2TlIII complexes of 2-thiooxo-1,2-dihydropyridin-1-olate, but correlate with those reported for 1-hydroxy- and 1-alkoxypyridine-2(1H)-thiones in the solid state.