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pH-Dependent spin state population and 19F NMR chemical shift via remote ligand protonation in an iron(II) complex

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Abstract

An FeII complex that features a pH-dependent spin state population, by virtue of a variable ligand protonation state, is described. This behavior leads to a highly pH-dependent 19F NMR chemical shift with a sensitivity of 13.9(5) ppm per pH unit at 37 °C, thereby demonstrating the potential utility of the complex as a 19F chemical shift-based pH sensor.

Graphical abstract: pH-Dependent spin state population and 19F NMR chemical shift via remote ligand protonation in an iron(ii) complex

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Publication details

The article was received on 22 Oct 2017, accepted on 10 Nov 2017 and first published on 10 Nov 2017


Article type: Communication
DOI: 10.1039/C7CC08158H
Citation: Chem. Commun., 2017, Advance Article
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    pH-Dependent spin state population and 19F NMR chemical shift via remote ligand protonation in an iron(II) complex

    A. I. Gaudette, A. E. Thorarinsdottir and T. D. Harris, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC08158H

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