Issue 18, 2022, Issue in Progress
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RSC Advances

Co-ligand triphenylphosphine/alkynyl-stabilized undecagold nanocluster with a capped crown structure†

Yan-Li Gao, ORCID logo *a   Shiqing Bi,a   Yufei Wang,a   Jian Li,a   Ting Sua  and  Xuchun Gaoa  

* Corresponding authors

a School of Chemistry and Chemical Engineering, Yulin University, Yulin 719000, China
E-mail: gaoyanli8503@126.com

Abstract

We report the synthesis and crystal structure of novel co-ligand phosphine/alkynyl protected Au nanoclusters, with composition [Au11(PPh3)8(C[triple bond, length as m-dash]CPh–CF3)2](SbF6) (1). The gold atoms in the cluster as a capped crown structure subtend C3v symmetry with one deriving from a central icosahedron and 10 peripheral Au atoms, and all alkynides are exclusively σ coordination bonding. The mean core diameter is about 5.1 Å and the overall van der Waals diameter can be estimated to be 20.5 Å. The optical absorbance of 1 in solution reveals characteristic peaks at 384 and 426 nm and a shoulder between 450 and 550 nm.

Graphical abstract: Co-ligand triphenylphosphine/alkynyl-stabilized undecagold nanocluster with a capped crown structure

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Article information

DOI
https://doi.org/10.1039/D2RA01080A
Article type
Paper
Submitted
18 Feb 2022
Accepted
04 Apr 2022
First published
07 Apr 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 11047-11051

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Co-ligand triphenylphosphine/alkynyl-stabilized undecagold nanocluster with a capped crown structure

Y. Gao, S. Bi, Y. Wang, J. Li, T. Su and X. Gao, RSC Adv., 2022, 12, 11047 DOI: 10.1039/D2RA01080A

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