Journal article
A photo-switchable molecular capsule: sequential photoinduced processes
M Choudhari, J Xu, AI McKay, C Guerrin, C Forsyth, HZ Ma, L Goerigk, RAJ O'Hair, A Bonnefont, L Ruhlmann, S Aloise, C Ritchie
Chemical Science | Published : 2022
DOI: 10.1039/d2sc04613j
Abstract
The metastable trilacunary heteropolyoxomolybdate [PMo9O31(py)3]3− - {PMo9}; py = pyridine) and the ditopic pyridyl bearing diarylethene (DAE) (C25H16N2F6S2) self-assemble via a facile ligand replacement methodology to yield the photo-active molecular capsule [(PMo9O31)2(DAE)3]6−. The spatial arrangement and conformation of the three DAE ligands are directed by the surface chemistry of the molecular metal oxide precursor with exclusive ligation of the photo-active antiparallel rotamer to the polyoxometalate (POM) while the integrity of the assembly in solution has been verified by a suite of spectroscopic techniques. Electrocyclisation of the three DAEs occurs sequentially and has been inves..
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Awarded by National Computational Infrastructure
Funding Acknowledgements
C. R. would like to thank Monash University and the Australian Research Council for funding this research (FT180100610). C. R. also acknowledges the funding support from the Australian Research Council for the ARC Centre of Excellence for Enabling Eco-Efficient Bene.ciation of Minerals, grant number CE200100009. A. B. and L. R. thank the CNRS and the Universit ' e de Strasbourg for support through the project "Idex Attractivit ' e 2012". R. A. J. O. acknowledges funding from the ARC Discovery scheme (ARC DP180101187). L. G. is grateful for the generous allocation of computational resources from the National Computational Infrastructure (NCI) Facility within the National Computational Merit Allocation Scheme (project.5). S. A. HZM thanks the Australian government for a Research Training Program (RTP) scholarship. Ms. Henrieta Derondeau is thanked for the discussion concerning the QYDS measurements.