Laser photoelectron spectroscopy of the formyl anion

Kermit K. Murray; Thomas M. Miller; Doreen G. Leopold; W. C. Lineberger

doi:10.1063/1.450371

Laser photoelectron spectroscopy of the formyl anion

Kermit K. Murray, Thomas M. Miller, Doreen G. Leopold, W. C. Lineberger

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Abstract

The 488 nm photoelectron spectra of HCO^- and DCO^- show vibrational structure in the X̃ ²A′ state of neutral formyl radical up to 10 000 cm^-1 above the vibrational ground state. Electron affinities are found to be 0.313±0.005 eV for HCO and 0.301±0.005 eV for DCO. The CH bond strength and heat of formation of HCO^- and the gas phase acidity of formaldehyde are derived from these data. A Franck-Condon analysis of the photoelectron spectra provides an estimate of the equilibrium geometry of the anion. Transitions to excited vibrational states of HCO enable the determination of a complete set of quadratic anharmonicities.

Original language	English (US)
Pages (from-to)	2520-2525
Number of pages	6
Journal	The Journal of chemical physics
Volume	84
Issue number	5
DOIs	https://doi.org/10.1063/1.450371
State	Published - 1985
Externally published	Yes

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title = "Laser photoelectron spectroscopy of the formyl anion",

abstract = "The 488 nm photoelectron spectra of HCO- and DCO- show vibrational structure in the {\~X} 2A′ state of neutral formyl radical up to 10 000 cm-1 above the vibrational ground state. Electron affinities are found to be 0.313±0.005 eV for HCO and 0.301±0.005 eV for DCO. The CH bond strength and heat of formation of HCO- and the gas phase acidity of formaldehyde are derived from these data. A Franck-Condon analysis of the photoelectron spectra provides an estimate of the equilibrium geometry of the anion. Transitions to excited vibrational states of HCO enable the determination of a complete set of quadratic anharmonicities.",

author = "Murray, {Kermit K.} and Miller, {Thomas M.} and Leopold, {Doreen G.} and Lineberger, {W. C.}",

year = "1985",

doi = "10.1063/1.450371",

language = "English (US)",

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T1 - Laser photoelectron spectroscopy of the formyl anion

AU - Murray, Kermit K.

AU - Miller, Thomas M.

AU - Leopold, Doreen G.

AU - Lineberger, W. C.

PY - 1985

Y1 - 1985

N2 - The 488 nm photoelectron spectra of HCO- and DCO- show vibrational structure in the X̃ 2A′ state of neutral formyl radical up to 10 000 cm-1 above the vibrational ground state. Electron affinities are found to be 0.313±0.005 eV for HCO and 0.301±0.005 eV for DCO. The CH bond strength and heat of formation of HCO- and the gas phase acidity of formaldehyde are derived from these data. A Franck-Condon analysis of the photoelectron spectra provides an estimate of the equilibrium geometry of the anion. Transitions to excited vibrational states of HCO enable the determination of a complete set of quadratic anharmonicities.

AB - The 488 nm photoelectron spectra of HCO- and DCO- show vibrational structure in the X̃ 2A′ state of neutral formyl radical up to 10 000 cm-1 above the vibrational ground state. Electron affinities are found to be 0.313±0.005 eV for HCO and 0.301±0.005 eV for DCO. The CH bond strength and heat of formation of HCO- and the gas phase acidity of formaldehyde are derived from these data. A Franck-Condon analysis of the photoelectron spectra provides an estimate of the equilibrium geometry of the anion. Transitions to excited vibrational states of HCO enable the determination of a complete set of quadratic anharmonicities.

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DO - 10.1063/1.450371

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EP - 2525

JO - The Journal of chemical physics

JF - The Journal of chemical physics

IS - 5

ER -

Laser photoelectron spectroscopy of the formyl anion

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