Controlled cluster expansion at a Zintl cluster surface

Abstract

Reaction of the tris-hypersilyl nonagermanide Zintl cluster salt, K[Ge9(Hyp)3] (Hyp=Si(SiMe3)3) with [Rh(η2,η2-L)Cl]2 (L=1,5-cyclooctadiene, COD; norbornadiene, NBD) afforded eleven- and twelve-vertex homo-multimetallic clusters by cluster core expansion. Using a stepwise procedure, starting from the Zintl cluster [Rh(COD){Ge9(Hyp)3}] and [Ir(COD)Cl]2, this methodology was expanded for the synthesis of eleven-vertex hetero-multimetallic clusters. A mechanism for the formation of these first examples of closo eleven-vertex Zintl clusters is proposed, informed by density functional theory calculations.

Metadata

Item Type:	Article
Authors/Creators:	Townrow, Oliver P.E. Weller, Andrew S. https://orcid.org/0000-0003-1646-8081 Goicoechea, Jose M.
Copyright, Publisher and Additional Information:	Funding Information: We thank Shell Global Solutions International B.V., the University of Oxford and the EPSRC for financial support of this research (Industrial CASE studentship O.P.E.T.; EP/M024210 ASW). The University of Oxford is also acknowledged for access to Chemical Crystallography facilities. Publisher Copyright: © 2023 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
Keywords:	Germanium,Iridium,Metal Alloys,Rhodium,Zintl Clusters
Dates:	Published: 15 January 2024 Accepted: 24 November 2023
Institution:	The University of York
Academic Units:	The University of York > Faculty of Sciences (York) > Chemistry (York)
Funding Information:	Funder Grant number EPSRC EP/M024210/2
Depositing User:	Pure (York)
Date Deposited:	01 Dec 2023 12:40
Last Modified:	21 Jan 2025 18:11
Published Version:	https://doi.org/10.1002/anie.202316120
Status:	Published
Refereed:	Yes
Identification Number:	10.1002/anie.202316120
Related URLs:	http://www.scopus.com/inward/record.url?...
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:206093

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Controlled cluster expansion at a Zintl cluster surface

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