A hexanuclear gold carbonyl cluster

Martínez Salvador, Sonia Pilar; Menjon Ruiz, Babil; Falvello  , Lawrence Rocco; Martín Tello, Antonio Jesús

doi:10.1039/c5sc01578b

A hexanuclear gold carbonyl cluster

Martínez Salvador, Sonia Pilar ; Falvello , Lawrence Rocco (Universidad de Zaragoza) ; Martín Tello, Antonio Jesús (Universidad de Zaragoza) ; Menjon Ruiz, Babil

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 ¿(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.
Idioma: Inglés
DOI: 10.1039/c5sc01578b
Año: 2015
Publicado en: Chemical science 6, 10 (2015), 5506-5510
ISSN: 2041-6520
Factor impacto JCR: 9.144 (2015)
Categ. JCR: CHEMISTRY, MULTIDISCIPLINARY rank: 14 / 162 = 0.086 (2015) - Q1 - T1
Financiación: info:eu-repo/grantAgreement/ES/DGA/E21
Financiación: info:eu-repo/grantAgreement/ES/MINECO/CTQ2012-35251
Tipo y forma: Article (Published version)
Área (Departamento): Química Inorgánica (Departamento de Química Inorgánica)
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A hexanuclear gold carbonyl cluster