A water-soluble self-assembled {Pd84}ᴬᶜ polyoxopalladate nano-wheel as a supramolecular host

Sinclair, Z. L., Bell, N. L. , Bame, J. R., Long, D.-L. and Cronin, L. (2023) A water-soluble self-assembled {Pd84}ᴬᶜ polyoxopalladate nano-wheel as a supramolecular host. Angewandte Chemie (International Edition), 62(1), e202214203. (doi: 10.1002/anie.202214203) (PMID:36336660)

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Abstract

Polyoxopalladates (POPs) are a class of self-assembling palladium-oxide clusters that span a variety of sizes, shapes and compositions. The largest of this family, {Pd84}ᴬᶜ, is constructed from 14 building units of {Pd6} and lined on the inner and outer torus by 28 acetate ligands. Due to its high water solubility, large hydrophobic cavity and distinct 1H NMR fingerprint {Pd84}ᴬᶜ is an ideal molecule for exploring supramolecular behaviour with small organic molecules in aqueous media. Molecular modelling studies highlighted potential binding sites between {Pd84}ᴬᶜ and these species. Nuclear Magnetic Resonance (NMR) techniques, including 1H NMR, 1H Diffusion Ordered Spectroscopy (DOSY) and Nuclear Overhauser Spectroscopy (NOESY), were employed to study the supramolecular chemistry of this system. Here, we provide conclusive evidence that {Pd84}ᴬᶜ forms a 1:7 host-guest complex with benzyl viologen (BV2+) in aqueous solution.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Long, Dr Deliang and Bell, Dr Nicola and Cronin, Professor Lee and Bame, Dr Jessica and Sinclair, Zoe
Authors: Sinclair, Z. L., Bell, N. L., Bame, J. R., Long, D.-L., and Cronin, L.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Angewandte Chemie (International Edition)
Publisher:Wiley
ISSN:1433-7851
ISSN (Online):1521-3773
Published Online:06 November 2022
Copyright Holders:Copyright © 2022 The Authors
First Published:First published in Angewandte Chemie (International Edition) 62(1): e202214203
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
166449Programmable Molecular Metal Oxides (PMMOs) - From Fundamentals to ApplicationLeroy CroninEngineering and Physical Sciences Research Council (EPSRC)EP/J015156/1Chemistry
190796Programmable 'Digital' Synthesis for Discovery and Scale-up of Molecules, Clusters and NanomaterialsLeroy CroninEngineering and Physical Sciences Research Council (EPSRC)EP/L023652/1Chemistry
166779Innovative Manufacturing Research Centre for Continuous Manufacturing and Crystallisation (CMAC)Leroy CroninEngineering and Physical Sciences Research Council (EPSRC)EP/I033459/1Chemistry
167864Energy and the Physical Sciences: Hydrogen Production using a Proton Electron BufferLeroy CroninEngineering and Physical Sciences Research Council (EPSRC)EP/K023004/1Chemistry
172151SMARTPOM: Artificial-Intelligence Driven Discovery and Synthesis of Polyoxometalate ClustersLeroy CroninEuropean Research Council (ERC)670467Chemistry