Intramolecular pi-dimerization in a 1,1'-bis(verdazyl)ferrocene diradical |
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| Authors: | Koivisto Bryan D Ichimura Andrew S McDonald Robert Lemaire Martin T Thompson Laurence K Hicks Robin G |
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| Institution: | Department of Chemistry, University of Victoria, P.O. Box 3065 STN CSC, Victoria, BC V8W 3V6, Canada. |
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| Abstract: | The solid state structure of 1,1'-bis(verdazyl)ferrocene reveals the two radical moieties associated intramolecularly to give the first example of a pi-dimer of a stable verdazyl radical. The pi-dimer structure is not maintained in solution. Magnetic characterization indicates that the radicals are sufficiently strongly antiferromagnetically coupled so as to render the molecule diamagnetic at room temperature. |
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