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

doi:10.1021/ja028439+

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

^*Corresponding author for this work

Chemistry

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

26 Scopus citations

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 language	English (US)
Pages (from-to)	866-867
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	125
Issue number	4
DOIs	https://doi.org/10.1021/ja028439+
State	Published - Jan 29 2003

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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

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.",

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T1 - UV Raman spectrum of 1,3-dimethylcyclopentenyl cation adsorbed in zeolite H-MFI

AU - Chua, Yek Tann

AU - Stair, Peter C.

AU - Nicholas, John B.

AU - Song, Weiguo

AU - Haw, James F.

PY - 2003/1/29

Y1 - 2003/1/29

N2 - 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.

AB - 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.

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

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