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Distance measurement of a noncovalently bound Y@C82 Pair with double electron electron resonance spectroscopy

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Gil_Ramirez_2018_Distance_JACS_AAM.pdf (715.9Kb)
Date
20/06/2018
Author
Gil-Ramírez, Guzmán
Shah, Anokhi
El Mkami, Hassane
Porfyrakis, Kyriakos
Briggs, Andrew D.
Morton, John J. L.
Anderson, Harry L.
Lovett, Janet Eleanor
Keywords
QC Physics
QH301 Biology
TK Electrical engineering. Electronics Nuclear engineering
DAS
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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 ways 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 (DEER) and analysed to give a distance of 4.87 nm with a small distribution of distances.
Citation
Gil-Ramírez , G , Shah , A , El Mkami , H , Porfyrakis , K , Briggs , A D , Morton , J J L , Anderson , H L & Lovett , J E 2018 , ' Distance measurement of a noncovalently bound Y@C 82 Pair with double electron electron resonance spectroscopy ' , Journal of the American Chemical Society , vol. 140 , no. 24 , pp. 7420-7424 . https://doi.org/10.1021/jacs.8b03889
Publication
Journal of the American Chemical Society
Status
Peer reviewed
DOI
https://doi.org/10.1021/jacs.8b03889
ISSN
0002-7863
Type
Journal article
Rights
© 2018, American Chemical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1021/jacs.8b03889
Description
We thank the EPSRC (EP/I035536/1; EP/J015067/1), The Royal Society (University Research Fellowship to JEL) and Wellcome Trust (099149/Z/12/Z) for funding and the EPSRC UK National Mass Spectrometry Facility at Swansea University for mass spectra.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/17799

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