Synthesis and Characterization of Three Multi-Shell Metalloid Gold Clusters Au32 (R3 P)12 Cl8

Angewandte Chemie
Sebastian KenzlerAndreas Schnepf

Abstract

Three multi-shell metalloid gold clusters of the composition Au32 (R3 P)12 Cl8 (R=Et, n Pr, n Bu) were synthesized in a straightforward fashion by reducing R3 PAuCl with NaBH4 in ethanol. The Au32 core comprises two shells, with the inner one constituting a tilted icosahedron and the outer one showing a distorted dodecahedral arrangement. The outer shell is completed by eight chloride atoms and twelve R3 P groups. The inner icosahedron shows bond lengths typical for elemental gold while the distances of the gold atoms in the dodecahedral arrangement are in the region of aurophilic interactions. Quantum-chemical calculations illustrate that the Jahn-Teller effect observed within the cluster core can be attributed to the electronic shell filling. The easily reproducible synthesis, good solubility, and high yields of these clusters render them perfect starting points for further research.

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Citations

Mar 18, 2020·Advanced Materials·Yingwei LiRongchao Jin
Jul 7, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Sebastian KenzlerAndreas Schnepf
Jul 11, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiangsha Du, Rongchao Jin
Dec 19, 2020·Angewandte Chemie·Jiao-Jiao LiQuan-Ming Wang
Dec 5, 2020·Nature Communications·Florian FetzerMarcus Scheele
Jun 25, 2021·Chemical Science·Sebastian Kenzler, Andreas Schnepf
Aug 6, 2021·Advanced Healthcare Materials·William NdugireMingdi Yan
Sep 11, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Li TangManzhou Zhu
Jun 17, 2020·Inorganic Chemistry·Jing-Xuan ZhangZhenyang Lin
Nov 2, 2021·Nanoscale·Shiyao DengYong Pei

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