Resonance Raman Spectroelectrochemistry. 2. Scattering Spectroscopy Accompanying Excitation of the Lowest 2B1u Excited State of the Tetracyanoquinodimethane Anion Radical

David L. Jeanmaire; Richard P Van Duyne

doi:10.1021/ja00430a001

Resonance Raman Spectroelectrochemistry. 2. Scattering Spectroscopy Accompanying Excitation of the Lowest ²B_1u Excited State of the Tetracyanoquinodimethane Anion Radical

David L. Jeanmaire, Richard P Van Duyne

Chemistry

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

81 Scopus citations

Abstract

Resonance Raman scattering spectra have been obtained for the electrogenerated monoanion radical of tetracyanoquinodimethane (TCNQ) upon excitation of its lowest ²B_1u excited state with Ar⁺, Kr⁺, and Ar⁺ pumped CW dye lasers. In addition we report the preresonance Raman spectrum of neutral TCNQ excited with the 4579 Å Ar⁺ laser line. The utility of resonance Raman spectroscopy as a molecularly specific monitor for electrochemical processes is discussed along with an interpretation of the measured frequency shifts between TCNQ and TCNQ·^- based on the bond order changes determined from SCF-LCAO-MO calculations.

Original language	English (US)
Pages (from-to)	4029-4033
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	98
Issue number	14
DOIs	https://doi.org/10.1021/ja00430a001
State	Published - Jul 1 1976

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja00430a001

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title = "Resonance Raman Spectroelectrochemistry. 2. Scattering Spectroscopy Accompanying Excitation of the Lowest 2B1u Excited State of the Tetracyanoquinodimethane Anion Radical",

abstract = "Resonance Raman scattering spectra have been obtained for the electrogenerated monoanion radical of tetracyanoquinodimethane (TCNQ) upon excitation of its lowest 2B1u excited state with Ar+, Kr+, and Ar+ pumped CW dye lasers. In addition we report the preresonance Raman spectrum of neutral TCNQ excited with the 4579 {\AA} Ar+ laser line. The utility of resonance Raman spectroscopy as a molecularly specific monitor for electrochemical processes is discussed along with an interpretation of the measured frequency shifts between TCNQ and TCNQ·- based on the bond order changes determined from SCF-LCAO-MO calculations.",

author = "Jeanmaire, {David L.} and {Van Duyne}, {Richard P}",

year = "1976",

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journal = "Journal of the American Chemical Society",

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Resonance Raman Spectroelectrochemistry. 2. Scattering Spectroscopy Accompanying Excitation of the Lowest ²B_1u Excited State of the Tetracyanoquinodimethane Anion Radical. / Jeanmaire, David L.; Van Duyne, Richard P.
In: Journal of the American Chemical Society, Vol. 98, No. 14, 01.07.1976, p. 4029-4033.

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

TY - JOUR

T1 - Resonance Raman Spectroelectrochemistry. 2. Scattering Spectroscopy Accompanying Excitation of the Lowest 2B1u Excited State of the Tetracyanoquinodimethane Anion Radical

AU - Jeanmaire, David L.

AU - Van Duyne, Richard P

PY - 1976/7/1

Y1 - 1976/7/1

N2 - Resonance Raman scattering spectra have been obtained for the electrogenerated monoanion radical of tetracyanoquinodimethane (TCNQ) upon excitation of its lowest 2B1u excited state with Ar+, Kr+, and Ar+ pumped CW dye lasers. In addition we report the preresonance Raman spectrum of neutral TCNQ excited with the 4579 Å Ar+ laser line. The utility of resonance Raman spectroscopy as a molecularly specific monitor for electrochemical processes is discussed along with an interpretation of the measured frequency shifts between TCNQ and TCNQ·- based on the bond order changes determined from SCF-LCAO-MO calculations.

AB - Resonance Raman scattering spectra have been obtained for the electrogenerated monoanion radical of tetracyanoquinodimethane (TCNQ) upon excitation of its lowest 2B1u excited state with Ar+, Kr+, and Ar+ pumped CW dye lasers. In addition we report the preresonance Raman spectrum of neutral TCNQ excited with the 4579 Å Ar+ laser line. The utility of resonance Raman spectroscopy as a molecularly specific monitor for electrochemical processes is discussed along with an interpretation of the measured frequency shifts between TCNQ and TCNQ·- based on the bond order changes determined from SCF-LCAO-MO calculations.

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Resonance Raman Spectroelectrochemistry. 2. Scattering Spectroscopy Accompanying Excitation of the Lowest ²B_1u Excited State of the Tetracyanoquinodimethane Anion Radical

Abstract

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