High-pressure NMR study of metal complexes in supercritical fluids

C. R. Yonker, S. L. Wallen, John Linehan

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Results of high-pressure NMR investigations of subcritical and supercritical-fluid solutions of metal complexes in ethylene and C02 are presented. To our knowledge, this is the first report of high-pressure NMR studies of metal chelates in supercritical fluids. Examples presented include 19F NMR studies of two β-diketone metal chelates dissolved in subcritical CO2-methanol mixtures and a 1H NMR study of the (1,5-cyclooctadiene) dimethylplatinum (II) (Pt-COD) complex in supercritical ethylene. High-pressure NMR chemical shifts as a function of density for supercritical ethylene are also presented. The results show the utility of the NMR technique to study a variety of metal complexes in subcritical and supercritical fluids.

Original languageEnglish
Pages (from-to)250-254
Number of pages5
JournalJournal of Supercritical Fluids
Volume8
Issue number3
DOIs
Publication statusPublished - 1995

Fingerprint

Supercritical fluids
supercritical fluids
Coordination Complexes
Metal complexes
Nuclear magnetic resonance
nuclear magnetic resonance
metals
Ethylene
ethylene
chelates
Metals
crack opening displacement
Chemical shift
Methanol
chemical equilibrium
methyl alcohol
fluids

Keywords

  • high-pressure NMR
  • metal complexes
  • supercritical fluids

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry
  • Condensed Matter Physics

Cite this

High-pressure NMR study of metal complexes in supercritical fluids. / Yonker, C. R.; Wallen, S. L.; Linehan, John.

In: Journal of Supercritical Fluids, Vol. 8, No. 3, 1995, p. 250-254.

Research output: Contribution to journalArticle

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