Ether and crown ether adduct complexes of sodium and potassium cyclopentadienide and methylcyclopentadienide - Molecular structures of[na(dme)cp][k(dme)0.5 Cp ][na(15-crown-5)cp], [na(18-crown-6)cpme] and the "naked cp" complex [k(15-crown-5)2][cp]

Cameron Jones, Marcus L. Cole, Peterr C. Junk

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Abstract

The molecular structure, spectroscopy and mass spectrometry of the following compounds are described: [Na(dme)Cp](polymeric zigzag chain), [K(dme)0.5Cp](2-dimensional polymeric zigzag), [Na(15-crown-5)Cp](monomeric), [Na(18-crown-6)CpMe] (monomeric) and [K(15-crown-5)2][Cp] {K(15-crown-5)2 cation/naked cyclopentadienide anion}. The syntheses of the related species [Na(dme)CpMe], [K(dme)0.5CpMe], [Na(15-crown-5)CpMe], [Na(18-crown-6)Cp] and [K(15-crown-5)2][CpMe] are reported. The choice of coordination modes displayed by those species structurally characterised is discussed, particularly in terms of steric and electrostatic considerations.

Original languageEnglish
Pages (from-to)896-905
Number of pages10
JournalJournal of the Chemical Society, Dalton Transactions
Issue number6
Publication statusPublished - 6 Apr 2002

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