Magnetic Properties of Acenes and Their o-Quinone Derivatives: Computer Simulation


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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.

About the authors

A. A. Starikova

Research Institute of Physical and Organic Chemistry

Author for correspondence.
Email: alstar@ipoc.sfedu.ru
Russian Federation, Rostov-on-Don, 344090

A. G. Starikov

Research Institute of Physical and Organic Chemistry

Email: alstar@ipoc.sfedu.ru
Russian Federation, Rostov-on-Don, 344090

R. M. Minyaev

Research Institute of Physical and Organic Chemistry

Email: alstar@ipoc.sfedu.ru
Russian Federation, Rostov-on-Don, 344090

A. I. Boldyrev

Research Institute of Physical and Organic Chemistry; Department of Chemistry and Biochemistry, Utah State University

Email: alstar@ipoc.sfedu.ru
Russian Federation, Rostov-on-Don, 344090; Logan, Utah, 84322

V. I. Minkin

Research Institute of Physical and Organic Chemistry

Email: alstar@ipoc.sfedu.ru
Russian Federation, Rostov-on-Don, 344090

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