Synthesis and properties of an Au6 cluster supported by a mixed N-heterocyclic carbene–thiolate ligand

Kirsi Salorinne; Renee W. Y. Man; Paul A. Lummis; Maryam Sabooni Asre Hazer; Sami Malola; Jacky C.-H. Yim; Alex J. Veinot; Wenxia Zhou; Hannu Häkkinen; Masakazu Nambo; Cathleen M. Crudden

doi:10.1039/D0CC01482F

Synthesis and properties of an Au₆ cluster supported by a mixed N-heterocyclic carbene–thiolate ligand†

Kirsi Salorinne,^a Renee W. Y. Man,

^a Paul A. Lummis,

^b Maryam Sabooni Asre Hazer,^c Sami Malola,^c Jacky C.-H. Yim,

^a Alex J. Veinot,

^b Wenxia Zhou,^b Hannu Häkkinen,

*^c Masakazu Nambo

*^a and Cathleen M. Crudden

*^ab

Author affiliations

* Corresponding authors

^a Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa, Nagoya, Aichi 464-8602, Japan
E-mail: mnambo@itbm.nagoya-u.ac.jp

^b Department of Chemistry, Queen's University, Chernoff Hall, Kingston, Ontario, Canada
E-mail: cruddenc@chem.queensu.ca

^c Departments of Chemistry and Physics, Nanoscience Centre, University of Jyväskylä, 40014 Jyväskylä, Finland
E-mail: hannu.j.hakkinen@jyu.fi

Abstract

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.

Chemical Communications

Synthesis and properties of an Au₆ cluster supported by a mixed N-heterocyclic carbene–thiolate ligand†

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Synthesis and properties of an Au₆ cluster supported by a mixed N-heterocyclic carbene–thiolate ligand

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