Unique [core+two] structure and optical property of a dodeca-ligated undecagold cluster: critical contribution of the exo gold atoms to the electronic structure

Yukatsu Shichibu; Yutaro Kamei; Katsuaki Konishi

doi:10.1039/C2CC30251A

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Unique [core+two] structure and optical property of a dodeca-ligated undecagold cluster: critical contribution of the exo gold atoms to the electronic structure†

Yukatsu Shichibu,^a Yutaro Kamei^a and Katsuaki Konishi*^a

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* Corresponding authors

^a Faculty of Environmental Earth Science, Hokkaido University, North 10 West 5, Sapporo 060-0810, Japan
E-mail: konishi@ees.hokudai.ac.jp
Fax: +81 11 7064538
Tel: +81 11 7064538

Abstract

A novel dodeca-ligated undecagold cluster having a nonagold core plus two exo-attached gold atoms was synthesized. Unlike the conventional icosahedron-based “core-only” isomer, the [9+2] cluster showed an intense visible absorption band. Theoretical calculation showed the involvement of the exo gold atoms in the generation of the unique electronic structure.

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Article information

DOI: https://doi.org/10.1039/C2CC30251A
Article type: Communication
Submitted: 12 Jan 2012
Accepted: 01 Mar 2012
First published: 01 Mar 2012

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Chem. Commun., 2012,48, 7559-7561

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Unique [core+two] structure and optical property of a dodeca-ligated undecagold cluster: critical contribution of the exo gold atoms to the electronic structure

Y. Shichibu, Y. Kamei and K. Konishi, Chem. Commun., 2012, 48, 7559 DOI: 10.1039/C2CC30251A

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Chemical Communications

Unique [core+two] structure and optical property of a dodeca-ligated undecagold cluster: critical contribution of the exo gold atoms to the electronic structure†

Abstract

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Unique [core+two] structure and optical property of a dodeca-ligated undecagold cluster: critical contribution of the exo gold atoms to the electronic structure

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