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Unequivocal experimental evidence of the relationship between emission energies and aurophilic interactions

Blake, Alexander J.; Donamar�a, Roc�o; Lippolis, Vito; L�pez-de-Luzuriaga, Jos� M.; Monge, Miguel; Olmos, Mar�a E.; Seal, Alexander; Weinstein, Julia A.


Alexander J. Blake

Roc�o Donamar�a

Vito Lippolis

Jos� M. L�pez-de-Luzuriaga

Miguel Monge

Mar�a E. Olmos

Alexander Seal

Julia A. Weinstein


In this paper we describe experimental evidence of the change in emission energy as a function of gold-gold distance. We have employed a luminescent complex exhibiting an aurophilic interaction, which is weak enough to allow its length to be modified by external pressure, but rigid enough to confer structural stability on the complex. By determining the crystal structures and emission characteristics over a range of pressures, we have identified an exponential relationship between the wavelength of the emitted light and the metal-metal distances under pressure. This result can be indirectly related to the repulsive branch of the fitted function representing the energy of the system at different gold-gold distances. The relativistic nature of gold appears to play an important role in the behaviour of this complex.


Blake, A. J., Donamaría, R., Lippolis, V., López-de-Luzuriaga, J. M., Monge, M., Olmos, M. E., …Weinstein, J. A. (2019). Unequivocal experimental evidence of the relationship between emission energies and aurophilic interactions. Inorganic Chemistry, 58(8), 4954-4961.

Journal Article Type Article
Acceptance Date Feb 12, 2019
Online Publication Date Feb 22, 2019
Publication Date Feb 22, 2019
Deposit Date Mar 4, 2019
Publicly Available Date Feb 23, 2020
Journal Inorganic Chemistry
Print ISSN 0020-1669
Electronic ISSN 1520-510X
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 58
Issue 8
Pages 4954-4961
Keywords Physical and theoretical chemistry; Inorganic chemistry
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