Document Type

Article

Journal/Book Title

Doklady Chemistry

Publication Date

4-2018

Publisher

Pleiades Publishing

Volume

478

Issue

2

First Page

21

Last Page

25

DOI

https://link.springer.com/article/10.1134/S0012500818020015

Abstract

Quantum chemical study (DFT UB3LYP/6-311++G(d,p)) of the structure and properties of acenes functionalized with two o-benzoquinone groups and their complexes with sodium cations has been performed. An increase in the number of fused rings has been shown to result in the stabilization of biradicaloid state of acenes and the switching of the character of exchange interactions between redox-active moieties from antiferromagnetic to ferromagnetic. The obtained results allow one to consider o-quinone acene derivatives as a basis for designing magnetoactive compounds.

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