Abstract
AbstractIn the presence of 4,4′‐bipyridine (4,4′‐bipy) and CoII metal ions, a bifunctional phosphinate‐carboxylate ligand, phenyl(carboxymethyl) phosphinate (pcc), forms a new polymeric metal‐organic framework (MOF), [[Co(pcc)(4,4′‐bipy)(H2O)](H2O)1.5]n (1). The structure consists of 2D slabs connected by solvent water molecules with cobalt metal atoms in two different coordination environments. The temperature‐dependent X‐ray powder diffraction analysis of 1 shows the formation of dehydrated phases in the range 120–180 °C. The dehydration–rehydration process is reversible. The overall magnetic behaviour of complex 1 is dominated by single ion effects with only weak exchange coupling interactions, due to the syn/anti conformation of the Co–O–C–O–Co path.
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