Title: A counter ion triggers stabilization of two geometrical isomers of a Ni(<scp>ii</scp>) dication diradical porphyrin dimer: the role of anion–π interactions
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.
Publication Year: 2019
Publication Date: 2019-01-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
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Cited By Count: 10
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