Au70S20(PPh3)12: an intermediate sized metalloid gold cluster stabilized by the Au4S4 ring motif and Au-PPh3 groups

Sebastian Kenzler; Claudio Schrenk; Andrew R. Frojd; Hannu Häkkinen; Andre Z. Clayborne; Andreas Schnepf

doi:10.1039/C7CC08014J

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Au₇₀S₂₀(PPh₃)₁₂: an intermediate sized metalloid gold cluster stabilized by the Au₄S₄ ring motif and Au-PPh₃ groups†‡

Sebastian Kenzler,^a Claudio Schrenk,

^a Andrew R. Frojd,^b Hannu Häkkinen,

^c Andre Z. Clayborne

^bd and Andreas Schnepf

*^a

Author affiliations

* Corresponding authors

^a Institute of Inorganic Chemistry, University Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
E-mail: andreas.schnepf@uni-tuebingen.de
Fax: +49 7071 28-2436
Tel: +49 7071 29-76635

^b Department of Chemistry, University of Missouri – Kansas City, 5110 Rockhill Road, Kansas City, MO 64110-2499, USA

^c Departments of Chemistry and Physics, Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland

^d Department of Chemistry, Howard University, 525 College Street, NW, Washington, D.C. 20059, USA

Abstract

Reducing (Ph₃P)AuSC(SiMe₃)₃ with L-Selectride® gives the medium-sized metalloid gold cluster Au₇₀S₂₀(PPh₃)₁₂. Computational studies show that the phosphine bound Au-atoms not only stabilize the electronic structure of Au₇₀S₂₀(PPh₃)₁₂, but also behave as electron acceptors leading to auride-like gold atoms on the exterior.

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Article information

DOI: https://doi.org/10.1039/C7CC08014J
Article type: Communication
Submitted: 17 Oct 2017
Accepted: 23 Nov 2017
First published: 24 Nov 2017

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Chem. Commun., 2018,54, 248-251

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Au₇₀S₂₀(PPh₃)₁₂: an intermediate sized metalloid gold cluster stabilized by the Au₄S₄ ring motif and Au-PPh₃ groups

S. Kenzler, C. Schrenk, A. R. Frojd, H. Häkkinen, A. Z. Clayborne and A. Schnepf, Chem. Commun., 2018, 54, 248 DOI: 10.1039/C7CC08014J

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