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Issue 84, 2017
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[(ZnSb6)2]4−: a new structure type for coupled norbornadiene-like subunits

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Abstract

The norbornadiene-like bimetallic dimer [(ZnSb6)2]4− anion (1) was prepared by direct extraction from a ternary alloy with nominal composition “K6ZnSb5” in ethylenediamine/toluene/2,2,2-crypt solutions. The structure represents a new type for coupled norbornadiene subunits, however, distortions around the Zn2+ ions degrade the overall symmetry. The Zn2+ ions achieve a 16e configuration and reside in near perfect ZnSb3 triangular coordination environments. DFT calculations reveal a 2.35 eV HOMO–LUMO gap and suggest covalent bonding between the Zn and Sb atoms.

Graphical abstract: [(ZnSb6)2]4−: a new structure type for coupled norbornadiene-like subunits

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Publication details

The article was received on 24 Sep 2017, accepted on 03 Oct 2017 and first published on 04 Oct 2017


Article type: Communication
DOI: 10.1039/C7CC07454A
Citation: Chem. Commun., 2017,53, 11600-11602
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    [(ZnSb6)2]4−: a new structure type for coupled norbornadiene-like subunits

    Y. Wang, P. Zavalij and B. Eichhorn, Chem. Commun., 2017, 53, 11600
    DOI: 10.1039/C7CC07454A

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