4.7 Article

All-metal σ-antiaromaticity in dimeric cluster anion {[CuGe9Mes]2}4-

Journal

CHEMICAL COMMUNICATIONS
Volume 56, Issue 48, Pages 6583-6586

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc02525a

Keywords

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Funding

  1. National Natural Science Foundation of China [21971118, 21722106]
  2. USA National Science Foundation [CHE-1664379]
  3. Fondecyt [1180683]
  4. [PGC2018-098212-B-C21]
  5. [EUR2019-103825]

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In this work, we report a dimeric cluster anion, {[CuGe(9)Mes](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 sigma-antiaromatic compound in the solid state, as well as the first heteroatomic antiaromatic compound.

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