Issue 20, 2022
From the journal:

Chemical Science

A dysprosium single molecule magnet outperforming current pseudocontact shift agents†

Francielli S. Santana, ORCID logo ‡a   Mauro Perfetti, ORCID logo ‡bc   Matteo Briganti, ORCID logo ab   Francesca Sacco, ORCID logo bde   Giordano Poneti, ORCID logo f   Enrico Ravera, ORCID logo *bde   Jaísa F. Soares ORCID logo *a  and  Roberta Sessoli ORCID logo *bc  

* Corresponding authors

a Departamento de Química, Universidade Federal do Paraná, Centro Politécnico, 81530-900 Curitiba, PR, Brazil
E-mail: jaisa.soares@ufpr.br

b Department of Chemistry “U. Schiff”, University of Florence, Via della Lastruccia 3-13, Sesto Fiorentino, Italy
E-mail: ravera@cerm.unifi.it, roberta.sessoli@unifi.it

c Research Unit Firenze, INSTM, I-50019 Sesto Fiorentino, Firenze, Italy

d Magnetic Resonance Center (CERM), University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, Italy

e Consorzio Interuniversitario Risonanze Magnetiche di Metalloproteine, Via Luigi Sacconi 6, Sesto Fiorentino, Italy

f Instituto de Química, Universidade Federal do Rio de Janeiro, Centro de Tecnologia – Cidade Universitária, Avenida Athos da Silveira Ramos, 149, 21941-909 Rio de Janeiro, Brazil

Abstract

A common criterion for designing performant single molecule magnets and pseudocontact shift tags is a large magnetic anisotropy. In this article we present a dysprosium complex chemically designed to exhibit strong easy-axis type magnetic anisotropy that is preserved in dichloromethane solution at room temperature. Our detailed theoretical and experimental studies on the magnetic properties allowed explaining several features typical of highly performant SMMs. Moreover, the NMR characterization shows remarkably large chemical shifts, outperforming the current state-of-the art PCS tags.

Graphical abstract: A dysprosium single molecule magnet outperforming current pseudocontact shift agents

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Article information

DOI
https://doi.org/10.1039/D2SC01619B
Article type
Edge Article
Submitted
21 Mar 2022
Accepted
26 Apr 2022
First published
26 Apr 2022
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2022,13, 5860-5871

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A dysprosium single molecule magnet outperforming current pseudocontact shift agents

F. S. Santana, M. Perfetti, M. Briganti, F. Sacco, G. Poneti, E. Ravera, J. F. Soares and R. Sessoli, Chem. Sci., 2022, 13, 5860 DOI: 10.1039/D2SC01619B

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