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A Bridge Too Far: Testing the Limits of Polypyridyl Ligands in Bridging Soluble Subunits of a Coordination Polymer
Beddoe, Samuel V. F.; Fitzpatrick, Anthony J.; Price, Jason R.; Morgan, Grace G.; Keene, Tony D.; et al.
Starting with a coordination polymer, {[Cu(L)]2}n (1 where H2L = salicylidene-2-aminophenol), we have explored the ability of polypyridyl ligands (P) to bridge the monomer complex to form nine {[Cu(L)]2(P)} complexes. The identity and solution stability of the [Cu(L)] units has been investigated through a novel combined UV-vis/EPR experiment and it has been found to be a stable supramolecular building unit for the construction of discrete complexes and coordination polymers. The reorganization of [Cu(L)] units to a new coordination polymer on addition of 4, 4′- bipyridine markedly changes the connectivity of the structure and the magnitude of the antiferromagnetic interactions through reorientation of the Cu(II) orbitals. We also present the structure of 1, 80 years after its synthesis was first reported. European Commission - Seventh Framework Programme (FP7) Science Foundation Ireland University College Dublin Worldwide Universities Network Global Partnership Fund award Cultural Service of the French Embassy Australian Research Council
Keyword(s): Monomer; Polypyridyls; Polypyridyl solubility; Metal–organic frameworks (MOFs)
Publication Date:
2019
Type: Journal article
Peer-Reviewed: Unknown
Language(s): English
Institution: University College Dublin
Publisher(s): ACS
First Indexed: 2019-05-11 06:30:56 Last Updated: 2019-05-11 06:30:56