All-Metal σ-Antiaromaticity in Dimeric Cluster Anion {[CuGe9Mes]2}4−

Document Type

Article

Journal/Book Title

Chemical Communications

Publication Date

5-11-2020

Publisher

Royal Society of Chemistry

Award Number

NSF, Division of Chemistry (CHE) 1664379

Funder

NSF, Division of Chemistry (CHE)

Volume

56

Issue

48

First Page

6583

Last Page

6586

Abstract

In this work, we report a dimeric cluster anion, {[CuGe9Mes]2}4−, which was isolated as the [K(2,2,2-crypt)]+ salt and characterized by using single-crystal X-ray diffraction and ESI mass spectroscopy. The title cluster represents the first locally σ-antiaromatic compound in the solid state, as well as the first heteroatomic antiaromatic compound.

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