A counter ion triggers stabilization of two geometrical isomers of a Ni(ii) dication diradical porphyrin dimer: the role of anion–π interactions

Pandey, Anjani Kumar ; Usman, Mohammad ; Rath, Sankar Prasad (2019) A counter ion triggers stabilization of two geometrical isomers of a Ni(ii) dication diradical porphyrin dimer: the role of anion–π interactions Chemical Communications, 55 (55). pp. 7926-7929. ISSN 1359-7345

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Official URL: http://doi.org/10.1039/C9CC02902H

Related URL: http://dx.doi.org/10.1039/C9CC02902H

Abstract

Two geometrical isomers of a nickel(II) dication diradical porphyrin dimer have been isolated selectively in pure forms by step-wise addition of the oxidant in the same reaction pot. Both isomers, stabilized exclusively by anion–π interactions, have unique and very distinct electronic and spectroscopic features and display an anion-induced charge/electron transfer phenomenon. Our work highlights the crucial role played by counter ions in controlling and stabilizing a variety of electronic structures and potentiates the effect of anion–π interactions in the chemical, biological and materials world.

Item Type:Article
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ID Code:120824
Deposited On:06 Jul 2021 05:31
Last Modified:06 Jul 2021 05:31

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