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Structural Characterization of Potassium Salts of the Decamethylmanganocene Anion Cp*

Structural Characterization of Potassium Salts of the Decamethylmanganocene Anion Cp*

Moritz Malischewski, Konrad Seppelt

Dalton Trans. 2019 Dec 7;48(45):17078-17082.

PMID: 31701989

Abstract:

For the first time the crystal structure of a permethylated metallocene anion has been obtained. The 17 valence electron complex decamethylmanganocene Cp*2Mn is reduced by molten potassium in THF to its extremely air-sensitive anion [Cp*2Mn]-. The potassium salt [K(THF)2]+[Cp*2Mn]- crystallizes upon cooling from hot THF and forms infinite polymeric chains exhibiting strong KC contacts. In the presence of 18-crown-6 the polymeric structure is broken up. Crystals of [K(18-crown-6)(THF)2]+[Cp*2Mn]- were obtained upon slow cooling from THF to -80 °C displaying well separated cations and anions.

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Catalog Number	Product Name	Structure	CAS Number	Price
AP871231424	Potassium 2,6-dimethoxyphenyltrifluoroborate		871231-42-4	Price
LS7931549	2-hydroxyphenyltrifluoroborate potassium salt			Price

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