Issue 32, 2020
From the journal:

Chemical Communications

Valence tautomerism in a cobalt-verdazyl coordination compound†

Connor Fleming,a   Dorothy Chung,a   Servando Ponce,a   David J. R. Brook, ORCID logo *a   Jeffrey DaRos,a   Raja Das,b   Andrew Ozarowski ORCID logo c  and  Sebastian A. Stoian ORCID logo d  

* Corresponding authors

a Department of Chemistry, San Jose State University, One Washington Square, San Jose, CA 95126, USA
E-mail: david.brook@sjsu.edu

b Department of Physics, University of South Florida, Tampa, Florida 33620, USA

c National High Magnetic Field Laboratory, Florida State University, 1800 E. Paul Dirac Drive, Tallahassee, FL 32310, USA

d Department of Chemistry, University of Idaho, 875 Perimeter Drive, Moscow, ID 83844, USA

Abstract

Coordination of 1-isopropyl-3,5-dipyridyl-6-oxoverdazyl to cobalt results in a dication best described in the solid state as a high spin cobalt(II) ion coordinated to two radical ligands with an S = 3/2 ground state. On dissolution in acetonitrile, the cobalt(II) form equilibrates with a cobalt(III) valence tautomer with an S = 1/2 ground state.

Graphical abstract: Valence tautomerism in a cobalt-verdazyl coordination compound

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Article information

DOI
https://doi.org/10.1039/D0CC01770A
Article type
Communication
Submitted
06 Mar 2020
Accepted
26 Mar 2020
First published
26 Mar 2020

Chem. Commun., 2020,56, 4400-4403

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Valence tautomerism in a cobalt-verdazyl coordination compound

C. Fleming, D. Chung, S. Ponce, D. J. R. Brook, J. DaRos, R. Das, A. Ozarowski and S. A. Stoian, Chem. Commun., 2020, 56, 4400 DOI: 10.1039/D0CC01770A

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