The formation and molecular structure of acetylcyclopentadienylsodium-tetrahydrofuranate

Robin D. Rogers, Jerry L. Atwood, Marvin D. Rausch, David W. Macomber, William P. Hart

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Acetylcyclopentadienylsodium has been isolated in crystalline form as a THF adduct from a reaction between cyclopentadienylsodium and methyl acetate in THF solution. The product has been characterized by means of a single-crystal X-ray diffraction study. {[C5H4CMeO]Na·THF}n crystallizes in the monoclinic space group P21/c with unit cell parameters a 6.698(3), b 16.095(4), c 10.661(3) Å, β 92.93(3)° and Dc 1.17 g cm-3 for Z = 4. Least-squares refinement led to a final R value of 0.080 based on 661 independent observed reflections. The coordination sphere around each sodium atom consists of the oxygen atoms from two C5H4CMeO ligands, the oxygen atom of the THF molecule, and an ion contact pair between the sodium and the five ring carbon atoms of the C5H4CMeO ligand.

Original languageEnglish (US)
Pages (from-to)79-85
Number of pages7
JournalJournal of Organometallic Chemistry
Issue number1
StatePublished - Oct 19 1982

Bibliographical note

Funding Information:
We are grateful to the U.S. National Science Foundation for support of this work.


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