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Distance Measurement of a Noncovalently Bound Y@C-82 Pair with Double Electron Electron Resonance Spectroscopy

Gil-Ramirez, G; Shah, A; El Mkami, H; Porfyrakis, K; Briggs, GAD; Morton, JJL; Anderson, HL; (2018) Distance Measurement of a Noncovalently Bound Y@C-82 Pair with Double Electron Electron Resonance Spectroscopy. Journal of the American Chemical Society , 140 (24) pp. 7420-7424. 10.1021/jacs.8b03889. Green open access

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Abstract

Paramagnetic endohedral fullerenes with long spin coherence times, such as N@C60 and Y@C82, are being explored as potential spin quantum bits (qubits). Their use for quantum information processing requires a way to hold them in fixed spatial arrangements. Here we report the synthesis of a porphyrin-based two-site receptor 1, offering a rigid structure that binds spin-active fullerenes (Y@C82) at a center-to-center distance of 5.0 nm, predicted from molecular simulations. The spin–spin dipolar coupling was measured with the pulsed EPR spectroscopy technique of double electron electron resonance and analyzed to give a distance of 4.87 nm with a small distribution of distances.

Type: Article
Title: Distance Measurement of a Noncovalently Bound Y@C-82 Pair with Double Electron Electron Resonance Spectroscopy
Open access status: An open access version is available from UCL Discovery
DOI: 10.1021/jacs.8b03889
Publisher version: http://doi.org/10.1021/jacs.8b03889
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/10056307
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