Diverse polymeric metal complexes formed by the ambidentate ligand 1-(4′-pyridyl)pyridin-4-one

Autor: David A. Grachvogel, David J. Williams, Andrew J. P. White, David M. L. Goodgame
Rok vydání: 2003
Předmět:
Zdroj: Inorganica Chimica Acta. 348:187-193
ISSN: 0020-1693
Popis: The preparations are reported of a range of metal complexes of the ‘extended reach’ ambidentate ligand 1-(4′-pyridyl)pyridin-4-one (pypd), four of which have been shown by X-ray studies to have polymeric network structures. The compound [Cu(pypd)2(H2O)4](NO3)2·4H2O (1) forms sheets comprising [Cu(pypd)2(H2O)4] units linked by a complex set of hydrogen bonds. Crystals of stoichiometry Co(pypd)2(NCS)2·MeOH·H2O (2) contain a 1:1 co-crystallisation of [Co(pypd)2(H2O)2(NCS)2] and [Co(pypd)2(MeOH)2(NCS)2] each forming hydrogen bonded chains, which are linked into sheets by further hydrogen bonds. A combination of hydrogen bonding and π–π stacking between pyridyl and pyridone rings in Nd(pypd)2(H2O)2(NO3)3 (3) also generates a sheet structure. The compound [Cd(pypd)3](ClO4)2·3H2O (4) forms a complex 3D network.
Databáze: OpenAIRE