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Issue 17, 2006
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Synthesis and reactivity of N@C60O

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The endohedral fullerene epoxide N@C60O was synthesised, isolated by High Performance Liquid Chromatography (HPLC), and characterised by Electron Spin Resonance (ESR). This nitrogen radical displays predominantly axial symmetry characteristics as expected for a monoadduct, evidenced by a zero-field splitting D parameter of 6.6 MHz and an E parameter of 0.5 MHz in powder at 77 K. Photo- and thermally-activated silencing of the nitrogen radical were observed, the latter showing the evolution of a new spin signal during heating at 100 °C. We suggest that loss of nitrogen spin is due to coupling with a radical formed by opening of the epoxide ring. This implies that the reaction of C60O with C60 in the solid state proceeds via a radical, rather than ionic, intermediate.

Graphical abstract: Synthesis and reactivity of N@C60O

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Publication details

The article was received on 25 Jan 2006, accepted on 07 Mar 2006 and first published on 24 Mar 2006

Article type: Paper
DOI: 10.1039/B601171C
Citation: Phys. Chem. Chem. Phys., 2006,8, 2083-2088
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    Synthesis and reactivity of N@C60O

    M. A. G. Jones, D. A. Britz, John. J. L. Morton, A. N. Khlobystov, K. Porfyrakis, A. Ardavan and G. A. D. Briggs, Phys. Chem. Chem. Phys., 2006, 8, 2083
    DOI: 10.1039/B601171C

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