Group 8 and 10 metal acetylide naphthalimide dyads |
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| Authors: | C John McAdam Anthony R Manning Jim Simpson |
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| Institution: | a Department of Chemistry, University of Otago, P.O. Box 56, Dunedin, New Zealand
b Department of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland |
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| Abstract: | M]-C C-naphthalimide derivatives {M] = CpNi(PPh3), CpFe(dppe), CpRu(dppe) and Cp*Ru(dppe)} have been prepared and their X-ray structures determined. The structures show significant non-linearity of the acetylide link, with concomitant νCC at low energy and high intensity. Other properties confirm the strong-donor/strong-naphthalimide acceptor nature of the compounds. All the compounds exhibit an intense MLCT band in the visible spectrum that resolves into two bands in non-polar solvents. Spectroelectrochemistry of the CpFe species shows that the MLCT band disappears upon oxidation, and the appearance of a LMCT band at lower energy. |
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| Keywords: | Metal-acetylide X-ray structure Donor-acceptor MLCT Naphthalimide Spectroelectrochemistry |
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