期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 21, 期 7, 页码 2775-2779出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201406301
关键词
EPR spectroscopy; exchange interactions; radical ions; rotaxanes; supramolecular chemistry
资金
- MIUR (Italian network for the development of multivalent nanosystems, MULTINANOITA)
- University of Bologna (FARB, Programme for Basic Research, SLaMM Project)
The EPR properties of a novel triradical obtained by single-electron oxidation of a nitroxide-spin-labelled rotaxane containing a tetrathiafulvalene unit and cyclobis(paraquat-p-phenylene) ring is reported. Rotaxanation is proved to have a dramatic effect on through-space magnetic interactions between radical fragments. Analysis of the EPR spectra by a three-jump model, allowed us to obtain structural information on the interlocked structure.
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