Issue 66, 2021
From the journal:

Chemical Communications

Dynamics of a [2]rotaxane wheel in a crystalline molecular solid†

Giorgio Baggi, ORCID logo a   Benjamin H. Wilson,a   Ayan Dhara,a   Christopher, A. O’Keefe,‡a   Robert W. Schurko ORCID logo *bc  and  Stephen J. Loeb ORCID logo *a  

* Corresponding authors

a Department of Chemistry and Biochemistry, University of Windsor, Windsor, ON N9B 3P4, Canada
E-mail: loeb@uwindsor.ca

b Department of Chemistry and Biochemistry, Florida State University, Tallahassee, FL, USA

c National High Magnetic Field Laboratory, Tallahassee, FL 32310, USA

Abstract

An H-shaped [2]rotaxane comprising a bis(benzimidazole) axle and a 24-membered crown ether wheel appended with four trityl groups forms a highly crystalline material with enough free volume to allow large amplitude motion of the interlocked macrocycle. Variable-temperature (VT) 2H solid-state nuclear magnetic resonance (SSNMR) was used to characterize the dynamics of the [2]rotaxane wheel in this material.

Graphical abstract: Dynamics of a [2]rotaxane wheel in a crystalline molecular solid

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Article information

DOI
https://doi.org/10.1039/D1CC03009D
Article type
Communication
Submitted
07 Jun 2021
Accepted
09 Jul 2021
First published
26 Jul 2021

Chem. Commun., 2021,57, 8210-8213

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Dynamics of a [2]rotaxane wheel in a crystalline molecular solid

G. Baggi, B. H. Wilson, A. Dhara, C. A. O’Keefe, R. W. Schurko and S. J. Loeb, Chem. Commun., 2021, 57, 8210 DOI: 10.1039/D1CC03009D

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