Applications of pulsed-gradient spin-echo (PGSE) diffusion measurements in organometallic chemistry

Massimiliano Valentini; Heinz Rüegger; Paul S. Pregosin

doi:10.1002/1522-2675(20011017)84:10<2833::AID-HLCA2833>3.0.CO;2-O

Applications of pulsed-gradient spin-echo (PGSE) diffusion measurements in organometallic chemistry

Massimiliano Valentini, Heinz Rüegger, Paul S. Pregosin^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

131 Citations (Scopus)

Abstract

Diffusion data from pulsed-field gradient spin-echo (PGSE) methods are shown to be qualitatively useful in the investigation of problems involving unknown molecular aggregation and/or the nature of inter-ionic interactions in metal complexes. For charged species possessing anions such as PF₆^-, BF₄^-, CF₃SO₃^- or BArF^-, both ¹⁹F- and ¹H-PGSE methods offer a valid alternative and, sometimes, unique view of gross and subtle solution molecular structure and dynamics. Problems associated with solvents, concentration, and reproducibility are discussed.

Original language	English
Pages (from-to)	2833-2853
Number of pages	21
Journal	Helvetica Chimica Acta
Volume	84
Issue number	10
DOIs	https://doi.org/10.1002/1522-2675(20011017)84:10<2833::AID-HLCA2833>3.0.CO;2-O
Publication status	Published - 2001
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Biochemistry
Drug Discovery
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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10.1002/1522-2675(20011017)84:10<2833::AID-HLCA2833>3.0.CO;2-O

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AU - Pregosin, Paul S.

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Y1 - 2001

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AB - Diffusion data from pulsed-field gradient spin-echo (PGSE) methods are shown to be qualitatively useful in the investigation of problems involving unknown molecular aggregation and/or the nature of inter-ionic interactions in metal complexes. For charged species possessing anions such as PF6-, BF4-, CF3SO3- or BArF-, both 19F- and 1H-PGSE methods offer a valid alternative and, sometimes, unique view of gross and subtle solution molecular structure and dynamics. Problems associated with solvents, concentration, and reproducibility are discussed.

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Applications of pulsed-gradient spin-echo (PGSE) diffusion measurements in organometallic chemistry

Abstract

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