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Anion stabilised hypercloso-hexaalane Al6H6

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Bonyhady_2018_NC_hypercloso_hexaalane_CC.pdf (922.9Kb)
Date
06/08/2018
Author
Bonyhady, Simon J.
Collis, David
Holzmann, Nicole
Edwards, Alison J.
Piltz, Ross O.
Frenking, Gernot
Stasch, Andreas
Jones, Cameron
Keywords
QD Chemistry
DAS
BDC
R2C
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Abstract
Boron hydride clusters are an extremely diverse compound class, which are of enormous importance to many areas of chemistry. Despite this, stable aluminium hydride analogues of these species have remained staunchly elusive to synthetic chemists. Here we report that reductions of an amidinato-aluminium(III) hydride complex with magnesium(I) dimers lead to unprecedented examples of stable aluminium(I) hydride complexes, [(ArNacnac)Mg]2[Al6H6(Fiso)2] (ArNacnac = [HC(MeCNAr)2]-, Ar = C6H2Me3-2,4,6 Mes; C6H3Et2-2,6 Dep or C6H3Me2-2,6 Xyl; Fiso = [HC(NDip)2]-, Dip = C6H3Pri2-2,6), which crystallographic and computational studies show to possess near neutral, octahedral hypercloso-hexaalane, Al6H6, cluster cores. The electronically delocalised skeletal bonding in these species is compared to that in the classical borane, [B6H6]2-. Thus, the chemistry of classical polyhedral boranes is extended to stable aluminium hydride clusters for the first time.
Citation
Bonyhady , S J , Collis , D , Holzmann , N , Edwards , A J , Piltz , R O , Frenking , G , Stasch , A & Jones , C 2018 , ' Anion stabilised hypercloso -hexaalane Al 6 H 6 ' , Nature Communications , vol. 9 , 3079 , pp. 1-6 . https://doi.org/10.1038/s41467-018-05504-x
Publication
Nature Communications
Status
Peer reviewed
DOI
https://doi.org/10.1038/s41467-018-05504-x
ISSN
2041-1723
Type
Journal article
Rights
© The Author(s) 2018. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Description
The authors gratefully acknowledge financial support from the Australian Research Council (C.J. and A.S.), the U.S. Air Force Asian Office of Aerospace Research and Development (grant FA2386-18-1-0125 to C.J.), Deutsche Forschungsgemeinschaft (FR 641/25-2) (G.F.), and Director, Bragg Institute, ANSTO, 2011 approval of DB 1959 (A.J.E. and C.J.).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/15790

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