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Institute for Inorganic Chemistry, University of Regensburg, Regensburg, Germany
E-mail: nikolaus.korber@chemie.uni-regensburg.de
; Fax: +49 941-943-1812
; Tel: +49 941-943-4448
b
Institute for Organic Chemistry, University of Regensburg, Regensburg, Germany
Chem. Commun., 2012,48, 10544-10546
DOI:
10.1039/C2CC35380F
Received
17 Feb 2012,
Accepted
05 Sep 2012
First published online
07 Sep 2012
The new Zintl anion [Sn4Bi4]4−, synthesized by dissolving CsSnBi in liquid ammonia, forms a monocapped nortricyclane-like cage. Its electron localization function (ELF) analysis shows evidence for 3-centre bonding. The analogous reaction with KSnBi results in a crystallographically fully ordered tetrahedral [Sn2Bi2]2− ion.
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