Rate constants for the gas-phase reaction of OH with amines: Tert-butyl amine, 2,2,2-trifluoroethyl amine, and 1,4-diazabicyclo[2.2.2]octane

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Rate constants for the gas-phase reaction of OH with amines: Tert-butyl amine, 2,2,2-trifluoroethyl amine, and 1,4-diazabicyclo[2.2.2]octane. / Koch, Robert; Krüger, Heinz-Ulrich; Elend, Manfred et al.
in: International Journal of Chemical Kinetics, Jahrgang 28, Nr. 11, 1996, S. 807-815.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Koch R, Krüger HU, Elend M, Palm WU, Zetzsch C. Rate constants for the gas-phase reaction of OH with amines: Tert-butyl amine, 2,2,2-trifluoroethyl amine, and 1,4-diazabicyclo[2.2.2]octane. International Journal of Chemical Kinetics. 1996;28(11):807-815. doi: 10.1002/(SICI)1097-4601(1996)28:11<807::AID-KIN3>3.0.CO;2-R

Bibtex

@article{d32d842a10a74d90beeaf50dcfdb2c7e,
title = "Rate constants for the gas-phase reaction of OH with amines: Tert-butyl amine, 2,2,2-trifluoroethyl amine, and 1,4-diazabicyclo[2.2.2]octane",
abstract = "The title compounds were selected to test the current predictions of OH reaction rate constants. The reactions are studied employing flash photolysis/resonance fluorescence in 130 mbar He at room temperature and up to 420 K. Experimental difficulties were encountered due to the polar and hygroscopic properties of the compounds. The rate constants obtained at 298 K, 12, 0.9, and 22 · 10-12 cm3/s for tert-Butyl amine (TBA), 2,2,2-Trifluoroethyl amine (TFEA), and 1.4-Diazabicyclo[2.2.2]octane (DABCO{\textregistered}), respectively, are much lower (up to a factor > 20) than calculated with the incremental system devised by Atkinson, indicating that electronic and steric effects should not be neglected. Activation energies are slightly negative for TBA and DABCO and some +450 K for TFEA. The reactivity of TFEA was also determined (as 1.2 · 10-12cm3/s) relative to a set of hydrocarbons employing continuous photolysis of H2O2 in a glass chamber.",
keywords = "Chemistry",
author = "Robert Koch and Heinz-Ulrich Kr{\"u}ger and Manfred Elend and Palm, {W. U.} and Cornelius Zetzsch",
year = "1996",
doi = "10.1002/(SICI)1097-4601(1996)28:11<807::AID-KIN3>3.0.CO;2-R",
language = "English",
volume = "28",
pages = "807--815",
journal = "International Journal of Chemical Kinetics",
issn = "0538-8066",
publisher = "John Wiley & Sons Inc.",
number = "11",

}

RIS

TY - JOUR

T1 - Rate constants for the gas-phase reaction of OH with amines

T2 - Tert-butyl amine, 2,2,2-trifluoroethyl amine, and 1,4-diazabicyclo[2.2.2]octane

AU - Koch, Robert

AU - Krüger, Heinz-Ulrich

AU - Elend, Manfred

AU - Palm, W. U.

AU - Zetzsch, Cornelius

PY - 1996

Y1 - 1996

N2 - The title compounds were selected to test the current predictions of OH reaction rate constants. The reactions are studied employing flash photolysis/resonance fluorescence in 130 mbar He at room temperature and up to 420 K. Experimental difficulties were encountered due to the polar and hygroscopic properties of the compounds. The rate constants obtained at 298 K, 12, 0.9, and 22 · 10-12 cm3/s for tert-Butyl amine (TBA), 2,2,2-Trifluoroethyl amine (TFEA), and 1.4-Diazabicyclo[2.2.2]octane (DABCO®), respectively, are much lower (up to a factor > 20) than calculated with the incremental system devised by Atkinson, indicating that electronic and steric effects should not be neglected. Activation energies are slightly negative for TBA and DABCO and some +450 K for TFEA. The reactivity of TFEA was also determined (as 1.2 · 10-12cm3/s) relative to a set of hydrocarbons employing continuous photolysis of H2O2 in a glass chamber.

AB - The title compounds were selected to test the current predictions of OH reaction rate constants. The reactions are studied employing flash photolysis/resonance fluorescence in 130 mbar He at room temperature and up to 420 K. Experimental difficulties were encountered due to the polar and hygroscopic properties of the compounds. The rate constants obtained at 298 K, 12, 0.9, and 22 · 10-12 cm3/s for tert-Butyl amine (TBA), 2,2,2-Trifluoroethyl amine (TFEA), and 1.4-Diazabicyclo[2.2.2]octane (DABCO®), respectively, are much lower (up to a factor > 20) than calculated with the incremental system devised by Atkinson, indicating that electronic and steric effects should not be neglected. Activation energies are slightly negative for TBA and DABCO and some +450 K for TFEA. The reactivity of TFEA was also determined (as 1.2 · 10-12cm3/s) relative to a set of hydrocarbons employing continuous photolysis of H2O2 in a glass chamber.

KW - Chemistry

UR - http://www.scopus.com/inward/record.url?scp=0030286117&partnerID=8YFLogxK

U2 - 10.1002/(SICI)1097-4601(1996)28:11<807::AID-KIN3>3.0.CO;2-R

DO - 10.1002/(SICI)1097-4601(1996)28:11<807::AID-KIN3>3.0.CO;2-R

M3 - Journal articles

AN - SCOPUS:0030286117

VL - 28

SP - 807

EP - 815

JO - International Journal of Chemical Kinetics

JF - International Journal of Chemical Kinetics

SN - 0538-8066

IS - 11

ER -