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| Título: | A hexanuclear gold carbonyl cluster |
Autor: | Martínez-Salvador, Sonia CSIC; Falvello, Larry R. CSIC ORCID; Martín, Antonio CSIC ORCID; Menjón, Babil CSIC ORCID | Fecha de publicación: | 2015 | Editor: | Royal Society of Chemistry (UK) | Citación: | Chemical Science 6(10): 5506-5510 (2015) | Resumen: | The hexanuclear gold carbonyl cluster [PPh4]2[Au6(CF3)6Br2(CO)2] (4) has been obtained by spontaneous self-assembly of the following independent units: CF3AuCO (1) and [PPh4][Br(AuCF3)2] (3). The cyclo-Au6 aggregate 4, in which the components are held together by unassisted, fairly strong aurophilic interactions (Au⋯Au ∼310 pm), exhibits a cyclohexane-like arrangement with chair conformation. These aurophilic interactions also result in significant ν(CO) lowering: from 2194 cm−1 in the separate component 1 to 2171 cm−1 in the mixed aggregate 4. Procedures to prepare the single-bridged dinuclear component 3 as well as the mononuclear derivative [PPh4][CF3AuBr] (2) are also reported. | Descripción: | Open Access Article. This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. | Versión del editor: | https://doi.org/10.1039/c5sc01578b | URI: | http://hdl.handle.net/10261/147566 | DOI: | 10.1039/c5sc01578b | Identificadores: | doi: 10.1039/c5sc01578b e-issn: 2041-6539 issn: 2041-6520 |
| Aparece en las colecciones: | (ISQCH) Artículos (ICMA) Artículos |
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| goldcarbonclus.pdf | 227,64 kB | Adobe PDF |  Visualizar/Abrir |
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