From the journal:

CrystEngComm

Design of a new nitronyl-nitroxide biradical and its complexes: synthesis, crystal structures and magnetic properties†

Cristian Andrei Spinu,ab   Ghenadie Novitchi,c   Mihaela Hillebrand,a   Teodora Mocanu,d   Gabriela Ionita, ORCID logo d   Anamaria Hanganu,b   Victoriţa Tecuceanub  and  Marius Andruh ORCID logo *ab  

* Corresponding authors

a Faculty of Chemistry, University of Bucharest, Regina Elisabeta Blvd. 4-12, Bucharest, Romania
E-mail: marius.andruh@acad.ro

b C. D. Nenitzescu Institute of Organic and Supramolecular Chemistry of the Romanian Academy, Splaiul Independentei, 202B, Bucharest, Romania

c CNRS, University Grenoble Alpes, LNCMI, F-38000 Grenoble, France

d “Ilie Murgulescu” Institute of Physical Chemistry, Romanian Academy, Bucharest, Romania

Abstract

A new nitronyl-nitroxide biradical, H2L, has been obtained starting from bisphenol A, through successive nitration, formylation, and Ullman reactions. Using this molecule as a ligand, two isostructural binuclear complexes. (Et3NH)2[Co2L(hfac)4]·CHCl3 1 and (Et3NH)2[Ni2L(hfac)4]·CHCl3 2, have been synthesized and characterized by single crystal X-ray diffraction. Their magnetic properties have been investigated and revealed relatively strong antiferromagnetic interactions between the metal ions and the nitronyl-nitroxide moieties.

Graphical abstract: Design of a new nitronyl-nitroxide biradical and its complexes: synthesis, crystal structures and magnetic properties

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Article information

DOI
https://doi.org/10.1039/D5CE00795J
Article type
Paper
Submitted
14 Aug 2025
Accepted
09 Sep 2025
First published
09 Sep 2025
This article is Open Access
Creative Commons BY-NC license

CrystEngComm, 2025, Advance Article

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Design of a new nitronyl-nitroxide biradical and its complexes: synthesis, crystal structures and magnetic properties

C. A. Spinu, G. Novitchi, M. Hillebrand, T. Mocanu, G. Ionita, A. Hanganu, V. Tecuceanu and M. Andruh, CrystEngComm, 2025, Advance Article , DOI: 10.1039/D5CE00795J

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