Title

Valence tautomerism in a cobalt-verdazyl coordination compound

Publication Date

4-25-2020

Document Type

Article

Department

Chemistry

Publication Title

Chemical Communications

Volume

56

Issue

32

DOI

10.1039/d0cc01770a

First Page

4400

Last Page

4403

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.

Funding Number

1058077

Funding Sponsor

National Science Foundation

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