UV Raman spectrum of 1,3-dimethylcyclopentenyl cation adsorbed in zeolite H-MFI

Yek Tann Chua, Peter C Stair, John B. Nicholas, Weiguo Song, James F. Haw

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The first Raman spectrum of an adsorbed carbenium ion has been measured: The 1,3-dimethylcyclopentenyl cation adsorbed in zeolite H-MFI. 1,3-Dimethylcyclopentenyl cation has been observed as a component of the hydrocarbon pool formed during the methanol-to-gasoline process catalyzed by zeolite H-MFI. The Raman shifts recorded for 1,3-dimethylcyclopentenyl cation are in remarkable agreement with computer calculations of the vibrational band positions for the isolated cation. This agreement suggests that the cation is unperturbed by interactions with the zeolite pore walls so that Raman spectra of free or solution-phase hydrocarbons can be used to identify these same species adsorbed in zeolite pores.

Original languageEnglish
Pages (from-to)866-867
Number of pages2
JournalJournal of the American Chemical Society
Volume125
Issue number4
DOIs
Publication statusPublished - Jan 29 2003

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Zeolites
Cations
Raman scattering
Positive ions
Hydrocarbons
Gasoline
Methanol
Ions

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

UV Raman spectrum of 1,3-dimethylcyclopentenyl cation adsorbed in zeolite H-MFI. / Chua, Yek Tann; Stair, Peter C; Nicholas, John B.; Song, Weiguo; Haw, James F.

In: Journal of the American Chemical Society, Vol. 125, No. 4, 29.01.2003, p. 866-867.

Research output: Contribution to journalArticle

Chua, Yek Tann ; Stair, Peter C ; Nicholas, John B. ; Song, Weiguo ; Haw, James F. / UV Raman spectrum of 1,3-dimethylcyclopentenyl cation adsorbed in zeolite H-MFI. In: Journal of the American Chemical Society. 2003 ; Vol. 125, No. 4. pp. 866-867.
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