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A Bridge Too Far: Testing the Limits of Polypyridyl Ligands in Bridging Soluble Subunits of a Coordination Polymer

DOI: 10.1021/acs.cgd.7b01256 DOI Help

Authors: Samuel V. F. Beddoe (University of Southampton) , Anthony J. Fitzpatrick (University of Southampton; Nottingham Trent University) , Jason R. Price (Australian Synchrotron) , Neil Mallo (University of New South Wales) , Jonathon E. Beves (University of New South Wales) , Grace G. Morgan (University College Dubli) , Jonathan A. Kitchen (University of Southampton) , Tony D. Keene (University of Southampton; University College Dublin)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Crystal Growth & Design , VOL 17 , PAGES 6603 - 6612

State: Published (Approved)
Published: October 2017

Abstract: 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.

Subject Areas: Chemistry


Instruments: I19-Small Molecule Single Crystal Diffraction