Issue 32, 2013
From the journal:

Chemical Communications

2-(9,10-Anthraquinon-2-yl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl: polymorphism in a conjugated anthraquinone-substituted nitronylnitroxide†

Handan Akpinar,a   John A. Schlueterb  and  Paul M. Lahti*a  

* Corresponding authors

a Department of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, USA
E-mail: lahti@chem.umass.edu

b Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
E-mail: jaschlueter@anl.gov

Abstract

Two polymorphs of an anthraquinone-nitronylnitroxide radical, AntQNN, were isolated, both with antiferromagnetic (AFM) exchange attributed to chain-type inter-radical contacts: one with J1D/k ≈ −3 K, and one with J1D/k ≈ −17 K.

Graphical abstract: 2-(9,10-Anthraquinon-2-yl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl: polymorphism in a conjugated anthraquinone-substituted nitronylnitroxide

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Article information

DOI
https://doi.org/10.1039/C3CC41075G
Article type
Communication
Submitted
07 Feb 2013
Accepted
05 Mar 2013
First published
18 Mar 2013

Chem. Commun., 2013,49, 3345-3347

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2-(9,10-Anthraquinon-2-yl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl: polymorphism in a conjugated anthraquinone-substituted nitronylnitroxide

H. Akpinar, J. A. Schlueter and P. M. Lahti, Chem. Commun., 2013, 49, 3345 DOI: 10.1039/C3CC41075G

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