Coordination Polymer or Cluster: Zinc Bis(3,5-di-tert-octyl-semiquinolate) with Pyrazine-Reference-Cited by-同舟云学术

Coordination Polymer or Cluster: Zinc Bis(3,5-di-tert-octyl-semiquinolate) with Pyrazine

Published:2023-11-01 Issue:11 Volume:49 Page:693-705
ISSN:0132-344X
Container-title:Координационная химия
language:
Short-container-title:Koordinacionnaâ himiâ

Author:

Maleeva A. V.¹,Trofimova O. Yu.¹,Kocherova T. N.¹,Yakushev I. A.²,Bogomyakov A. S.³,Piskunov A. V.¹

Affiliation:

1. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, Nizhny Novgorod, Russia

2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

3. International Tomography Center, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

Abstract

New zinc bis-o-semiquinolate complexes based on 3,5-di-tert-octyl-o-benzoquinone bearing the N-donor ligand (pyrazine) coordinated to the metal are synthesized. Two different products can be obtained depending on the synthesis method: coordination polymer (direct oxidation of metallic zinc with o-quinone (CIF file CCDC no. 2250574 (I)) or polynuclear cluster (exchange reaction (CIF file CCDC no. 2250575 (II)). The coordination polymer is linear and free of intermolecular π,π interactions between the aromatic fragments of the adjacent molecules. The magnetochemical study of complexes I and II shows that intramolecular antiferromagnetic exchange interactions between spins of the o-semiquinolate radical centers dominate.

Publisher

The Russian Academy of Sciences

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