A Silver Nanocluster Containing Interstitial Sulfur and Unprecedented Chemical Bonds

Angewandte Chemie
Xu LiuZhikun Wu

Abstract

The emergence of thiolated metal nanoclusters provides opportunities to identify significant and unprecedented phenomena because they are at quantum sizes and can be characterized with X-ray crystallography. Recently silver nanoclusters have received extensive interest owing to their merits, such as low-cost and rich properties. Herein, a thiolated silver nanocluster [Ag46 S7 (SPhMe2 )24 ]NO3 (Ag46 for short) with a face-centered cubic (fcc) structure was successfully synthesized and structurally resolved by X-ray analysis. Most importantly, interstitial sulfur was found in the lattice void of Ag46 without lattice distortion or expansion, indicating that the classic theory of interstitial metal solid solutions might be not applicable at quantum size. Furthermore, unprecedented chemical bonds and unique structural features (such as asymmetrically coordinated μ4 -S) were found in Ag46 and might be related to the interstitial sulfur, which is supported by natural population analyses.

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Citations

Oct 6, 2018·Angewandte Chemie·Shengli ZhuangZhikun Wu
May 10, 2019·Angewandte Chemie·Lizhong HeZhikun Wu
Dec 6, 2019·Science Advances·Xi KangManzhou Zhu
Feb 6, 2020·Chemical Communications : Chem Comm·Fan Tian, Rong Chen
Apr 18, 2020·Angewandte Chemie·Chenglong DengLansun Zheng
Nov 6, 2020·Nature Communications·Zibao GanZhikun Wu
Dec 30, 2020·Angewandte Chemie·Megalamane S BootharajuTaeghwan Hyeon
Jul 14, 2021·Journal of the American Chemical Society·Chunwei DongOsman M Bakr
Sep 14, 2021·Inorganic Chemistry·Xuejuan ZouManzhou Zhu

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