A triflate and alkynyl protected Ag(43) nanocluster with a passivated surface

A trifluoromethanesulfonate (OTf) and tert-butylacetylene ((t)BuC[triple bond, length as m-dash]C(−)) co-protected silver nanocluster (NC), Ag(43)((t)BuC[triple bond, length as m-dash]C)(24)(CF(3)SO(3))(8) (Ag(43)), was synthesized and characterized. Single crystal X-ray diffraction analysis reveale...

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Detalles Bibliográficos
Autores principales: Li, Ting, Cui, Xiaoqin, Liang, Linfeng, Luo, Cui, Li, Huan, Zhang, Xian-Ming
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2020
Materias:
Chemistry
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9054053/
https://www.ncbi.nlm.nih.gov/pubmed/35515431
http://dx.doi.org/10.1039/d0ra01244k
Descripción
Sumario:A trifluoromethanesulfonate (OTf) and tert-butylacetylene ((t)BuC[triple bond, length as m-dash]C(−)) co-protected silver nanocluster (NC), Ag(43)((t)BuC[triple bond, length as m-dash]C)(24)(CF(3)SO(3))(8) (Ag(43)), was synthesized and characterized. Single crystal X-ray diffraction analysis revealed its total structure. 43 Ag atoms are arranged into a three-concentric-shell Ag@Ag(12)@Ag(30) structure. Both OTf and (t)BuC[triple bond, length as m-dash]C(−) ligands bonded with Ag atoms in a μ(3) mode. The application of Ag(43) as a catalyst for the reaction of silane with alcohol or H(2)O indicated that the surface ligands had a profound passivation effect, which significantly influenced the reactivity and selectivity.

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