Metal–organic co-ordination frameworks based on mixed N- and O-donor ligands: crystal structures of [Co(phth)2(bipy)] and [Co2(mal)2(bipy)(H2O)2] (phth = phthalate, mal = malonate, bipy = 4,4′-bipyridine)[hair space]

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Philip Lightfoot and Alan Snedden


Abstract

Two new metal–organic co-ordination frameworks have been prepared hydrothermally in mixed ligand systems and their crystal structures determined: [Co(phth)2(bipy)] is composed of a complex three-dimensional framework consisting of interlinked Co–phth–Co and Co–bipy–Co chains; [Co2(mal)2(bipy)(H2O)2] is also three-dimensional, being composed of Co–mal sheets which are pillared by bidentate bipy molecules (phth = phthalate, mal = malonate, bipy = 4,4′-bipyridine). Both frameworks enclose small void channels.


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