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Issue 87, 2018
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[(μ2-H)(η2-Ge4)ZnPh2]3−, an edge-on protonated E4 cluster establishing the first three-center two-electron Ge–H–Ge bond

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Abstract

The first example of a protonated and a rare example of a metal complex of the tetrahedral tetrel cluster anion [Ge4]4− was obtained from a solution of K6Rb6Ge17 in liquid ammonia in the presence of ZnPh2 and [18]crown-6. In [K([18]crown-6)][Rb([18]crown-6)]2[HGe4ZnPh2]·8NH3 (1) one ZnPh2 molecule and one H atom are bound to opposite, significantly elongated edges of a distorted Ge4 tetrahedron. DFT calculations confirm the experimentally found interatomic distances and reveal a structural proof of a three-center two-electron Ge–H–Ge bond.

Graphical abstract: [(μ2-H)(η2-Ge4)ZnPh2]3−, an edge-on protonated E4 cluster establishing the first three-center two-electron Ge–H–Ge bond

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Article information


Submitted
22 Aug 2018
Accepted
09 Oct 2018
First published
09 Oct 2018

Chem. Commun., 2018,54, 12381-12384
Article type
Communication

[(μ2-H)(η2-Ge4)ZnPh2]3−, an edge-on protonated E4 cluster establishing the first three-center two-electron Ge–H–Ge bond

T. Henneberger, W. Klein, J. V. Dums and T. F. Fässler, Chem. Commun., 2018, 54, 12381
DOI: 10.1039/C8CC06843G

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