Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea): Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical

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Standard

Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea) : Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical. / Møgelberg, Trine E.; Sehested, Jens; Bilde, Merete; Wallington, Timothy J.; Nielsen, Ole J.

I: Journal of Physical Chemistry, Bind 100, Nr. 21, 01.12.1996, s. 8882-8889.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Møgelberg, TE, Sehested, J, Bilde, M, Wallington, TJ & Nielsen, OJ 1996, 'Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea): Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical', Journal of Physical Chemistry, bind 100, nr. 21, s. 8882-8889.

APA

Møgelberg, T. E., Sehested, J., Bilde, M., Wallington, T. J., & Nielsen, O. J. (1996). Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea): Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical. Journal of Physical Chemistry, 100(21), 8882-8889.

Vancouver

Møgelberg TE, Sehested J, Bilde M, Wallington TJ, Nielsen OJ. Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea): Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical. Journal of Physical Chemistry. 1996 dec. 1;100(21):8882-8889.

Author

Møgelberg, Trine E. ; Sehested, Jens ; Bilde, Merete ; Wallington, Timothy J. ; Nielsen, Ole J. / Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea) : Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical. I: Journal of Physical Chemistry. 1996 ; Bind 100, Nr. 21. s. 8882-8889.

Bibtex

@article{33b10face77b4f7a92090e04dd03a4ef,
title = "Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea): Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical",
abstract = "The ultraviolet absorption spectrum of the CF3CFO2CF3 radical, the kinetics of its self-reaction and reactions. with NO and NO2 have been studied in the gas phase at 296K using a pulse radiolysis technique. A long-path-length Fourier transform infrared technique was used to study the fate of the CF3CFO'CF3 radical. Absorption cross sections for the CF3CFO2'CF3 radical were quantified over the wavelength range 220-270 nm. At 230 nm, a(CF3CFO2'CF3) = (351 ±73) × 10-20 cm2 molecule-1. The observed rate constant for the CF3CFO2'CF3 self-reaction was (1.8 ±0.4) × 10-12 cm3 molecule-1 s-1. The rate constants for the reaction of CF3CFO2'CF3 radicals with NO and NO2 were k3 = (2.1 ±0.9) × 10-11 and fc, = (4.8 ±1.4) × 10-12 cm3 molecule-1 s-1. The atmospheric fate of CF3CFO'CF3 radicals is decomposition via C-C bond scission to give CF3 radicals and CF3C(O)F. In 1000 mbar of SF6 at 296 K decomposition of CF3CFO'CF3 radicals proceeds at a rate greater than 1 × 105 s-1. As part of this work relative rate techniques were used to measure k(C1+CF3CFHCF3) = (4.5 ±1.2) × 10-17 and k(F+CF3CFHCF3) = (1.5 ±0.5) × 10-13 cm3 molecule-1 s-1. This compares well with the value of k(F+CF3CFHCF3) = (1.9 ±0.4) × 10-13 cm3 molecule-1 s-1 obtained by pulse radiolysis. The results are discussed in the context of the atmospheric chemistry of HFC-227ea.",
author = "M{\o}gelberg, {Trine E.} and Jens Sehested and Merete Bilde and Wallington, {Timothy J.} and Nielsen, {Ole J.}",
year = "1996",
month = dec,
day = "1",
language = "English",
volume = "100",
pages = "8882--8889",
journal = "Journal of Physical Chemistry",
issn = "0022-3654",
publisher = "American Chemical Society",
number = "21",

}

RIS

TY - JOUR

T1 - Atmospheric Chemistry of CF3CFHCF3 (HFC-227ea)

T2 - Spectrokinetic Investigation of the CF3CFO2'CF3 Radical, Its Reactions with NO and NO2, and Fate of the CF3CFO'CF3 Radical

AU - Møgelberg, Trine E.

AU - Sehested, Jens

AU - Bilde, Merete

AU - Wallington, Timothy J.

AU - Nielsen, Ole J.

PY - 1996/12/1

Y1 - 1996/12/1

N2 - The ultraviolet absorption spectrum of the CF3CFO2CF3 radical, the kinetics of its self-reaction and reactions. with NO and NO2 have been studied in the gas phase at 296K using a pulse radiolysis technique. A long-path-length Fourier transform infrared technique was used to study the fate of the CF3CFO'CF3 radical. Absorption cross sections for the CF3CFO2'CF3 radical were quantified over the wavelength range 220-270 nm. At 230 nm, a(CF3CFO2'CF3) = (351 ±73) × 10-20 cm2 molecule-1. The observed rate constant for the CF3CFO2'CF3 self-reaction was (1.8 ±0.4) × 10-12 cm3 molecule-1 s-1. The rate constants for the reaction of CF3CFO2'CF3 radicals with NO and NO2 were k3 = (2.1 ±0.9) × 10-11 and fc, = (4.8 ±1.4) × 10-12 cm3 molecule-1 s-1. The atmospheric fate of CF3CFO'CF3 radicals is decomposition via C-C bond scission to give CF3 radicals and CF3C(O)F. In 1000 mbar of SF6 at 296 K decomposition of CF3CFO'CF3 radicals proceeds at a rate greater than 1 × 105 s-1. As part of this work relative rate techniques were used to measure k(C1+CF3CFHCF3) = (4.5 ±1.2) × 10-17 and k(F+CF3CFHCF3) = (1.5 ±0.5) × 10-13 cm3 molecule-1 s-1. This compares well with the value of k(F+CF3CFHCF3) = (1.9 ±0.4) × 10-13 cm3 molecule-1 s-1 obtained by pulse radiolysis. The results are discussed in the context of the atmospheric chemistry of HFC-227ea.

AB - The ultraviolet absorption spectrum of the CF3CFO2CF3 radical, the kinetics of its self-reaction and reactions. with NO and NO2 have been studied in the gas phase at 296K using a pulse radiolysis technique. A long-path-length Fourier transform infrared technique was used to study the fate of the CF3CFO'CF3 radical. Absorption cross sections for the CF3CFO2'CF3 radical were quantified over the wavelength range 220-270 nm. At 230 nm, a(CF3CFO2'CF3) = (351 ±73) × 10-20 cm2 molecule-1. The observed rate constant for the CF3CFO2'CF3 self-reaction was (1.8 ±0.4) × 10-12 cm3 molecule-1 s-1. The rate constants for the reaction of CF3CFO2'CF3 radicals with NO and NO2 were k3 = (2.1 ±0.9) × 10-11 and fc, = (4.8 ±1.4) × 10-12 cm3 molecule-1 s-1. The atmospheric fate of CF3CFO'CF3 radicals is decomposition via C-C bond scission to give CF3 radicals and CF3C(O)F. In 1000 mbar of SF6 at 296 K decomposition of CF3CFO'CF3 radicals proceeds at a rate greater than 1 × 105 s-1. As part of this work relative rate techniques were used to measure k(C1+CF3CFHCF3) = (4.5 ±1.2) × 10-17 and k(F+CF3CFHCF3) = (1.5 ±0.5) × 10-13 cm3 molecule-1 s-1. This compares well with the value of k(F+CF3CFHCF3) = (1.9 ±0.4) × 10-13 cm3 molecule-1 s-1 obtained by pulse radiolysis. The results are discussed in the context of the atmospheric chemistry of HFC-227ea.

UR - http://www.scopus.com/inward/record.url?scp=0001728571&partnerID=8YFLogxK

M3 - Journal article

AN - SCOPUS:0001728571

VL - 100

SP - 8882

EP - 8889

JO - Journal of Physical Chemistry

JF - Journal of Physical Chemistry

SN - 0022-3654

IS - 21

ER -

ID: 227488147