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Issue 17, 2004
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Exo-π-bonding to an ortho-carborane hypercarbon atom: systematic icosahedral cage distortions reflected in the structures of the fluoro-, hydroxy- and amino-carboranes, 1-X-2-Ph-1,2-C2B10H10 (X = F, OH or NH2) and related anions

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Abstract

The structures of derivatives of phenyl-ortho-carborane bearing on the second cage hypercarbon atom a π-donor substituent (F, OH, O, NH2, NH and CH2) were investigated by NMR, X-ray crystallography and computational studies. The molecular structures of these compounds, notably their cage C1–C2 distances and the orientations of their π-donor substituents (OH, NH2, NH and CH2) show remarkable and systematic variations with the degree of exo π-bonding, which varies as expected with the π-donor characteristics of the substituent.

Graphical abstract: Exo-π-bonding to an ortho-carborane hypercarbon atom: systematic icosahedral cage distortions reflected in the structures of the fluoro-, hydroxy- and amino-carboranes, 1-X-2-Ph-1,2-C2B10H10 (X = F, OH or NH2) and related anions

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The article was received on 28 Apr 2004, accepted on 02 Jul 2004 and first published on 04 Aug 2004


Article type: Paper
DOI: 10.1039/B406422D
Citation: Dalton Trans., 2004,0, 2786-2799

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    Exo-π-bonding to an ortho-carborane hypercarbon atom: systematic icosahedral cage distortions reflected in the structures of the fluoro-, hydroxy- and amino-carboranes, 1-X-2-Ph-1,2-C2B10H10 (X = F, OH or NH2) and related anions

    L. A. Boyd, W. Clegg, R. C. B. Copley, M. G. Davidson, M. A. Fox, T. G. Hibbert, J. A. K. Howard, A. Mackinnon, R. J. Peace and K. Wade, Dalton Trans., 2004, 0, 2786
    DOI: 10.1039/B406422D

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