Hybrid organic–inorganic rotaxanes and molecular shuttles

Chin-Fa Lee, David A. Leigh (), Robin G. Pritchard, David Schultz, Simon J. Teat, Grigore A. Timco and Richard E. P. Winpenny ()
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Chin-Fa Lee: School of Chemistry, University of Edinburgh, The King’s Buildings, West Mains Road, Edinburgh EH9 3JJ, UK
David A. Leigh: School of Chemistry, University of Edinburgh, The King’s Buildings, West Mains Road, Edinburgh EH9 3JJ, UK
Robin G. Pritchard: School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK
David Schultz: School of Chemistry, University of Edinburgh, The King’s Buildings, West Mains Road, Edinburgh EH9 3JJ, UK
Simon J. Teat: Advanced Light Source, Lawrence Berkeley Laboratory, 1 Cyclotron Road, MS2-400, Berkeley, California 94720, USA
Grigore A. Timco: School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK
Richard E. P. Winpenny: School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK

Nature, 2009, vol. 458, issue 7236, 314-318

Abstract: Rotaxanes show their metal Rotaxane molecules contain interlocked parts: ring-shaped subunits encircle the 'axles' of molecular dumbbells. The rings can spin around and slide along the axle, and so rotaxanes are mooted as possible components of molecular machines. To date, most rotaxanes are organic. This could be a problem, because the physical properties that are most desirable in molecular machines — such as magnetism, or the ability to conduct electrons — are mostly found in inorganic compounds. Chin-Fa Lee et al. now report hybrid rotaxanes, in which inorganic heterometallic rings encircle the axles of organic dumbbells. These hybrids are expected to offer a far wider range of useful physical properties to molecular engineers than purely organic rotaxanes.

Date: 2009
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DOI: 10.1038/nature07847

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