Structural characterization of the columnar alkali metal cyclopentadienide [K{C5H2(SiMe3)3-1,2,4}]∞†

Autor:	Maren Pink, Timothy P. Hanusa, Melanie J. Harvey
Rok vydání:	2001
Předmět:	Crystallography chemistry.chemical_compound chemistry Cyclopentadienyl complex Trimethylsilyl Potassium Inorganic chemistry chemistry.chemical_element Lithium General Chemistry Potassium ions Alkali metal Characterization (materials science)
Zdroj:	Journal of the Chemical Society, Dalton Transactions. :1128-1130
ISSN:	1364-5447 1472-7773
DOI:	10.1039/b009359i
Popis:	Unsolvated 1,2,4-tris(trimethylsilyl)cyclopentadienyl potassium (K[Cp3Si]) crystallizes as a base-free “super-sandwich” of alternating potassium ions and Cp′ rings. The polymeric chains in the structure are not connected as in other unsolvated KCp′ structures, but uniquely consist of independent columns. This type of structure has previously been observed in base-free lithium cyclopentadienyl complexes; however, K[Cp3Si] is the first base-free potassium cyclopentadienyl complex that crystallizes without interactions between neighboring chains.
Databáze:	OpenAIRE
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