Synthesis of a Au44(SR)28 nanocluster: structure prediction and evolution from Au28(SR)20, Au36(SR)24 to Au44(SR)28

Chenjie Zeng; Yuxiang Chen; Gao Li; Rongchao Jin

doi:10.1039/C3CC47089J

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Synthesis of a Au₄₄(SR)₂₈ nanocluster: structure prediction and evolution from Au₂₈(SR)₂₀, Au₃₆(SR)₂₄ to Au₄₄(SR)₂₈†

Chenjie Zeng,^a Yuxiang Chen,^a Gao Li^a and Rongchao Jin*^a

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* Corresponding authors

^a Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213, USA
E-mail: rongchao@andrew.cmu.edu

Abstract

We report the synthesis of a Au₄₄(SR)₂₈ nanocluster (SR = 4-tert-butylbenzenethiolate). Based on the structural rules learned from the known Au₂₈(SR)₂₀ and Au₃₆(SR)₂₄ structures, we propose a plausible structure for Au₄₄(SR)₂₈, which is predicted to comprise a six-interpenetrating cuboctahedral Au₃₆ kernel protected by four dimeric staples and sixteen bridging thiolates, i.e. Au₃₆[Au₂(SR)₃]₄(SR)₁₆.

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Article information

DOI: https://doi.org/10.1039/C3CC47089J
Article type: Communication
Submitted: 16 Sep 2013
Accepted: 17 Oct 2013
First published: 05 Nov 2013

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Chem. Commun., 2014,50, 55-57

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Synthesis of a Au₄₄(SR)₂₈ nanocluster: structure prediction and evolution from Au₂₈(SR)₂₀, Au₃₆(SR)₂₄ to Au₄₄(SR)₂₈

C. Zeng, Y. Chen, G. Li and R. Jin, Chem. Commun., 2014, 50, 55 DOI: 10.1039/C3CC47089J

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Chemical Communications