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  The Intermetalloid Cluster Cation (CuBi8)3+

Knies, M., Kaiser, M., Isaeva, A., Müller, U., Doert, T., & Ruck, M. (2018). The Intermetalloid Cluster Cation (CuBi8)3+. Chemistry – A European Journal, 24(1), 127-132. doi:10.1002/chem.201703916.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-27C0-B Version Permalink: http://hdl.handle.net/21.11116/0000-0000-27C2-9
Genre: Journal Article

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 Creators:
Knies, Maximilian1, Author
Kaiser, Martin1, Author
Isaeva, Anna1, Author
Müller, Ulrike1, Author
Doert, Thomas1, Author
Ruck, Michael2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Michael Ruck, Max Planck Fellow, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863444              

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 Abstract: The reaction of Bi, BiCl3, and CuCl in the ionic liquid [BMIm]Cl4AlCl(3) (BMIm=1-n-butyl-3-methylimidazolium) at 180 degrees C yielded air-sensitive shiny black crystals of (CuBi8)[AlCl4](2)[Al2Cl7] and (CuBi8)[AlCl4](3). For both compounds X-ray diffraction on single crystals revealed monoclinic structures that contain the intermetalloid cluster (CuBi8)(3+). It is the first pure bismuth cluster with a 3d metal and the first with a metal that does not form binary intermetallics with bismuth under ambient pressure. The cluster can be interpreted either as a copper(I) cation, eta(4)-coordinated by a square-antiprismatic Bi-8(2+) polycation (Bi-Cu 267 pm), or as a nine-atomic intermetalloid nido-cluster with 22 skeletal electrons and the C-4v symmetry. One of the chloride ions of a tetrahedral [AlCl4](-) group coordinates the copper atom (Cu-Cl 228 pm) and thereby completes its 18 electron count. DFT-based calculations, followed by real-space bonding analysis, revealed a multicenter bonding situation between copper and bismuth atoms with about seven shared electrons.

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Language(s): eng - English
 Dates: 2018-01-102018-01-10
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1002/chem.201703916
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Title: Chemistry – A European Journal
  Other : Chem. – Eur. J.
  Other : Chem. Eur. J.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 24 (1) Sequence Number: - Start / End Page: 127 - 132 Identifier: ISSN: 0947-6539
CoNE: https://pure.mpg.de/cone/journals/resource/954926979058