Synthesis and properties of an Au 6 cluster supported by a mixed N-heterocyclic carbene-thiolate ligand

The preparation of a novel Au6 cluster bearing a bidentate mixed carbene-thiolate ligand is presented. The length of linker between the central benzimidazole and thiolate has a strong effect on the formation of cluster products, with a C2 chain giving an Au6 cluster, while a C3 chain results in no e...

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Published inChemical communications (Cambridge, England) Vol. 56; no. 45; pp. 6102 - 6105
Main Authors Salorinne, Kirsi, Man, Renee W Y, Lummis, Paul A, Hazer, Maryam Sabooni Asre, Malola, Sami, Yim, Jacky C-H, Veinot, Alex J, Zhou, Wenxia, Häkkinen, Hannu, Nambo, Masakazu, Crudden, Cathleen M
Format Journal Article
LanguageEnglish
Published England 04.06.2020
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Summary:The preparation of a novel Au6 cluster bearing a bidentate mixed carbene-thiolate ligand is presented. The length of linker between the central benzimidazole and thiolate has a strong effect on the formation of cluster products, with a C2 chain giving an Au6 cluster, while a C3 chain results in no evidence of cluster formation. Density functional theory analysis predicts a non-metallic cluster with a large HOMO-LUMO (3.2-3.6 eV) and optical gap.
ISSN:1359-7345
1364-548X
DOI:10.1039/D0CC01482F