Issue 44, 2022

The catenation of a singlet diradical dication and modulation of diradical character by metal coordination

Abstract

A singlet bis(triarylamine) diradical dication and its zigzag 1D magnetic chain catenated by silver cations were isolated and characterized by single-crystal X-ray crystallography, EPR spectroscopy, SQUID measurements, cyclic voltammetry, and UV-Vis-NIR absorption spectroscopy in conjunction with DFT calculations. The ΔEOS−T has significantly changed due to the coordination of carbonyls (Lewis base) with Ag+ (Lewis acid), revealing that the diradical character can be modulated by Lewis acid–base coordination and interchain intermolecular coupling interactions.

Graphical abstract: The catenation of a singlet diradical dication and modulation of diradical character by metal coordination

Supplementary files

Article information

Article type
Communication
Submitted
17 Mar 2022
Accepted
04 May 2022
First published
05 May 2022

Chem. Commun., 2022,58, 6457-6460

The catenation of a singlet diradical dication and modulation of diradical character by metal coordination

K. Li, Z. Feng, H. Ruan, Q. Sun, Y. Zhao and X. Wang, Chem. Commun., 2022, 58, 6457 DOI: 10.1039/D2CC01539K

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