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Li P, Ahrens B, Bond AD, et al. A new series of dinuclear Au(I) complexes linked by diethynylpyridine groups. Dalton Trans. 2008;(12):1635-46doi: 10.1039/b716664h.
Li, P., Ahrens, B., Bond, A. D., Davies, J. E., Koentjoro, O. F., Raithby, P. R., & Teat, S. J. (2008). A new series of dinuclear Au(I) complexes linked by diethynylpyridine groups. Dalton transactions (Cambridge, England : 2003), (12), 1635-46. https://doi.org/10.1039/b716664h
Li, Peiyi, et al. "A new series of dinuclear Au(I) complexes linked by diethynylpyridine groups." Dalton transactions (Cambridge, England : 2003) vol. ,12 (2008): 1635-46. doi: https://doi.org/10.1039/b716664h
Li P, Ahrens B, Bond AD, Davies JE, Koentjoro OF, Raithby PR, Teat SJ. A new series of dinuclear Au(I) complexes linked by diethynylpyridine groups. Dalton Trans. 2008 Mar 28;(12):1635-46. doi: 10.1039/b716664h. Epub 2008 Jan 24. PMID: 18335147.
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Dalton Trans. 2008 Mar 28;(12):1635-46. doi: 10.1039/b716664h. Epub 2008 Jan 24.

A new series of dinuclear Au(I) complexes linked by diethynylpyridine groups.

Dalton transactions (Cambridge, England : 2003)

Peiyi Li, Birte Ahrens, Andrew D Bond, John E Davies, Olivia F Koentjoro, Paul R Raithby, Simon J Teat

Affiliations

  1. Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, UK CB2 1EW.

PMID: 18335147 DOI: 10.1039/b716664h

Abstract

A series of novel digold complexes incorporating ethynyl pyridine derivatives as a spacer unit, [(R(3)P)Au(C[triple bond]C)X(C[triple bond]C)Au(PR(3))] (R = Ph, X = 2,5-pyridine (1); R = Cy (cyclohexane), X = 2,5-pyridine (2); R = Ph, X = 2,6-pyridine (3); R = Ph, X = 2,5'-bipyridine (4); R = Ph, X = 2,6'-bipyridine (5)), has been synthesised. All the complexes have been characterised spectroscopically and the structures determined by single-crystal X-ray crystallography. The central (C[triple bond]C)(X)(C[triple bond]C) unit is essentially linear for complexes 1, 2 and 4 and kinked for complexes 3 and 5, but only in 1, with the shortest spacer group and the less bulky phosphine ligand, is there evidence of d(10)...d(10) Au...Au interactions (Au-Au 3.351(2) A). The solution UV/visible absorption and emission spectra for all the complexes are similar to those of the free ligands suggesting that the spectra are dominated by pi-pi* ligand-centred transitions and this is confirmed by DFT calculations.

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