UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether

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Standard

UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether. / Nielsen, Ole J.; Sehested, Jens; Langer, Sarka; Ljungström, Evert; Wängberg, Ingvar.

I: Chemical Physics Letters, Bind 238, Nr. 4-6, 02.06.1995, s. 359-364.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Nielsen, OJ, Sehested, J, Langer, S, Ljungström, E & Wängberg, I 1995, 'UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether', Chemical Physics Letters, bind 238, nr. 4-6, s. 359-364. https://doi.org/10.1016/0009-2614(95)00401-O

APA

Nielsen, O. J., Sehested, J., Langer, S., Ljungström, E., & Wängberg, I. (1995). UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether. Chemical Physics Letters, 238(4-6), 359-364. https://doi.org/10.1016/0009-2614(95)00401-O

Vancouver

Nielsen OJ, Sehested J, Langer S, Ljungström E, Wängberg I. UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether. Chemical Physics Letters. 1995 jun. 2;238(4-6):359-364. https://doi.org/10.1016/0009-2614(95)00401-O

Author

Nielsen, Ole J. ; Sehested, Jens ; Langer, Sarka ; Ljungström, Evert ; Wängberg, Ingvar. / UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether. I: Chemical Physics Letters. 1995 ; Bind 238, Nr. 4-6. s. 359-364.

Bibtex

@article{800f4746252f40649a66ce7e4f34c592,
title = "UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether",
abstract = "Alkyl, (CH3)3COC(CH3)2CH2, and alkyl peroxy, (CH3)3COC(CH3)2CH2O2, radicals from di-tert-butyl ether (DTBE), have been studied in the gas phase at 296 K. A pulse radiolysis UV absorption technique was used to measure the spectra and kinetics. Absorption cross sections were quantified over the wavelength range 220-330 nm. At 240 nm, σ(CH3)3COC(CH3)2CH2 = (3.6 ± 0.4) × 10-18 cm2 molecule-1 and at 260 nm, σ(CH3)3COC(CH3)2CH2O2 = (3.8 ± 0.3) × 10-18 cm2 molecule-1 have been obtained. The observed rate constants for the self-reaction of (CH3)3COC(CH3)2CH2 and (CH3)3COC(CH3)2CH2O2 radicals were found to be (2.9 ± 0.2) × 10-11 cm3 molecule-1 s-1 and (2.7 ± 0.2) × 10-12 cm3 molecule-1 s-1, respectively. For the reaction of the alkyl radical with O2 in 1 atm pressure of SF6 a rate constant of (7.2 ± 1.1) × 10-13 cm3 molecule-1 s-1 was found. The rate constants for the reaction of the alkyl peroxy radicals with NO and NO2 were determined to be (1.8 ± 0.2) × 10-12 and (9.9 ± 1.3) × 10-12 cm3 molecule-1 s-1, respectively. As a part of the work the rate constants k(F + DTBE) and k(O + DTBE) were determined to be (2.6 ± 0.6) × 10-10 and (4.0 ± 0.9) × 10-12 cm3 molecule-1 s-1, respectively.",
author = "Nielsen, {Ole J.} and Jens Sehested and Sarka Langer and Evert Ljungstr{\"o}m and Ingvar W{\"a}ngberg",
year = "1995",
month = jun,
day = "2",
doi = "10.1016/0009-2614(95)00401-O",
language = "English",
volume = "238",
pages = "359--364",
journal = "Chemical Physics Letters",
issn = "0009-2614",
publisher = "Elsevier",
number = "4-6",

}

RIS

TY - JOUR

T1 - UV absorption spectra and kinetics for alkyl and alkyl peroxy radicals originating from di-tert-butyl ether

AU - Nielsen, Ole J.

AU - Sehested, Jens

AU - Langer, Sarka

AU - Ljungström, Evert

AU - Wängberg, Ingvar

PY - 1995/6/2

Y1 - 1995/6/2

N2 - Alkyl, (CH3)3COC(CH3)2CH2, and alkyl peroxy, (CH3)3COC(CH3)2CH2O2, radicals from di-tert-butyl ether (DTBE), have been studied in the gas phase at 296 K. A pulse radiolysis UV absorption technique was used to measure the spectra and kinetics. Absorption cross sections were quantified over the wavelength range 220-330 nm. At 240 nm, σ(CH3)3COC(CH3)2CH2 = (3.6 ± 0.4) × 10-18 cm2 molecule-1 and at 260 nm, σ(CH3)3COC(CH3)2CH2O2 = (3.8 ± 0.3) × 10-18 cm2 molecule-1 have been obtained. The observed rate constants for the self-reaction of (CH3)3COC(CH3)2CH2 and (CH3)3COC(CH3)2CH2O2 radicals were found to be (2.9 ± 0.2) × 10-11 cm3 molecule-1 s-1 and (2.7 ± 0.2) × 10-12 cm3 molecule-1 s-1, respectively. For the reaction of the alkyl radical with O2 in 1 atm pressure of SF6 a rate constant of (7.2 ± 1.1) × 10-13 cm3 molecule-1 s-1 was found. The rate constants for the reaction of the alkyl peroxy radicals with NO and NO2 were determined to be (1.8 ± 0.2) × 10-12 and (9.9 ± 1.3) × 10-12 cm3 molecule-1 s-1, respectively. As a part of the work the rate constants k(F + DTBE) and k(O + DTBE) were determined to be (2.6 ± 0.6) × 10-10 and (4.0 ± 0.9) × 10-12 cm3 molecule-1 s-1, respectively.

AB - Alkyl, (CH3)3COC(CH3)2CH2, and alkyl peroxy, (CH3)3COC(CH3)2CH2O2, radicals from di-tert-butyl ether (DTBE), have been studied in the gas phase at 296 K. A pulse radiolysis UV absorption technique was used to measure the spectra and kinetics. Absorption cross sections were quantified over the wavelength range 220-330 nm. At 240 nm, σ(CH3)3COC(CH3)2CH2 = (3.6 ± 0.4) × 10-18 cm2 molecule-1 and at 260 nm, σ(CH3)3COC(CH3)2CH2O2 = (3.8 ± 0.3) × 10-18 cm2 molecule-1 have been obtained. The observed rate constants for the self-reaction of (CH3)3COC(CH3)2CH2 and (CH3)3COC(CH3)2CH2O2 radicals were found to be (2.9 ± 0.2) × 10-11 cm3 molecule-1 s-1 and (2.7 ± 0.2) × 10-12 cm3 molecule-1 s-1, respectively. For the reaction of the alkyl radical with O2 in 1 atm pressure of SF6 a rate constant of (7.2 ± 1.1) × 10-13 cm3 molecule-1 s-1 was found. The rate constants for the reaction of the alkyl peroxy radicals with NO and NO2 were determined to be (1.8 ± 0.2) × 10-12 and (9.9 ± 1.3) × 10-12 cm3 molecule-1 s-1, respectively. As a part of the work the rate constants k(F + DTBE) and k(O + DTBE) were determined to be (2.6 ± 0.6) × 10-10 and (4.0 ± 0.9) × 10-12 cm3 molecule-1 s-1, respectively.

UR - http://www.scopus.com/inward/record.url?scp=0001244229&partnerID=8YFLogxK

U2 - 10.1016/0009-2614(95)00401-O

DO - 10.1016/0009-2614(95)00401-O

M3 - Journal article

AN - SCOPUS:0001244229

VL - 238

SP - 359

EP - 364

JO - Chemical Physics Letters

JF - Chemical Physics Letters

SN - 0009-2614

IS - 4-6

ER -

ID: 228192068