Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3. / Østerstrøm, Freja From; Wallington, Timothy J.; Andersen, Mads Peter Sulbæk; Nielsen, Ole John.

In: Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, Vol. 119, No. 42, 2015, p. 10540-10552.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Østerstrøm, FF, Wallington, TJ, Andersen, MPS & Nielsen, OJ 2015, 'Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3', Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, vol. 119, no. 42, pp. 10540-10552. https://doi.org/10.1021/acs.jpca.5b08204

APA

Østerstrøm, F. F., Wallington, T. J., Andersen, M. P. S., & Nielsen, O. J. (2015). Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3. Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 119(42), 10540-10552. https://doi.org/10.1021/acs.jpca.5b08204

Vancouver

Østerstrøm FF, Wallington TJ, Andersen MPS, Nielsen OJ. Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3. Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory. 2015;119(42):10540-10552. https://doi.org/10.1021/acs.jpca.5b08204

Author

Østerstrøm, Freja From ; Wallington, Timothy J. ; Andersen, Mads Peter Sulbæk ; Nielsen, Ole John. / Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3. In: Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory. 2015 ; Vol. 119, No. 42. pp. 10540-10552.

Bibtex

@article{e5826783da2944e39f0f615940b34268,
title = "Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3",
abstract = "Smog chambers with in situ FTIR detection were used to measure rate coefficients in 700 Torr of air and 296 ± 2 K of: k(Cl+(CF3)2CHOCH3) = (5.41 ± 1.63) × 10(-12), k(Cl+(CF3)2CHOCHO) = (9.44 ± 1.81) × 10(-15), k(Cl+CF3C(O)OCH3) = (6.28 ± 0.98) × 10(-14), k(OH+(CF3)2CHOCH3) = (1.86 ± 0.41) × 10(-13), and k(OH+(CF3)2CHOCHO) = (2.08 ± 0.63) × 10(-14) cm(3) molecule(-1) s(-1). The Cl atom initiated oxidation of (CF3)2CHOCH3 gives (CF3)2CHOCHO in a yield indistinguishable from 100%. The OH radical initiated oxidation of (CF3)2CHOCH3 gives the following products (molar yields): (CF3)2CHOCHO (76 ± 8)%, CF3C(O)OCH3 (16 ± 2)%, CF3C(O)CF3 (4 ± 1)%, and C(O)F2 (45 ± 5)%. The primary oxidation product (CF3)2CHOCHO reacts with Cl atoms to give secondary products (molar yields): CF3C(O)CF3 (67 ± 7)%, CF3C(O)OCHO (28 ± 3)%, and C(O)F2 (118 ± 12)%. CF3C(O)OCH3 reacts with Cl atoms to give: CF3C(O)OCHO (80 ± 8)% and C(O)F2 (6 ± 1)%. Atmospheric lifetimes of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3 were estimated to be 62 days, 1.5 years, and 220 days, respectively. The 100-year global warming potentials (GWPs) for (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3 are estimated to be 6, 121, and 46, respectively. A comprehensive description of the atmospheric fate of (CF3)2CHOCH3 is presented.",
author = "{\O}sterstr{\o}m, {Freja From} and Wallington, {Timothy J.} and Andersen, {Mads Peter Sulb{\ae}k} and Nielsen, {Ole John}",
year = "2015",
doi = "10.1021/acs.jpca.5b08204",
language = "English",
volume = "119",
pages = "10540--10552",
journal = "Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory",
issn = "1089-5639",
publisher = "American Chemical Society",
number = "42",

}

RIS

TY - JOUR

T1 - Atmospheric chemistry of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3

AU - Østerstrøm, Freja From

AU - Wallington, Timothy J.

AU - Andersen, Mads Peter Sulbæk

AU - Nielsen, Ole John

PY - 2015

Y1 - 2015

N2 - Smog chambers with in situ FTIR detection were used to measure rate coefficients in 700 Torr of air and 296 ± 2 K of: k(Cl+(CF3)2CHOCH3) = (5.41 ± 1.63) × 10(-12), k(Cl+(CF3)2CHOCHO) = (9.44 ± 1.81) × 10(-15), k(Cl+CF3C(O)OCH3) = (6.28 ± 0.98) × 10(-14), k(OH+(CF3)2CHOCH3) = (1.86 ± 0.41) × 10(-13), and k(OH+(CF3)2CHOCHO) = (2.08 ± 0.63) × 10(-14) cm(3) molecule(-1) s(-1). The Cl atom initiated oxidation of (CF3)2CHOCH3 gives (CF3)2CHOCHO in a yield indistinguishable from 100%. The OH radical initiated oxidation of (CF3)2CHOCH3 gives the following products (molar yields): (CF3)2CHOCHO (76 ± 8)%, CF3C(O)OCH3 (16 ± 2)%, CF3C(O)CF3 (4 ± 1)%, and C(O)F2 (45 ± 5)%. The primary oxidation product (CF3)2CHOCHO reacts with Cl atoms to give secondary products (molar yields): CF3C(O)CF3 (67 ± 7)%, CF3C(O)OCHO (28 ± 3)%, and C(O)F2 (118 ± 12)%. CF3C(O)OCH3 reacts with Cl atoms to give: CF3C(O)OCHO (80 ± 8)% and C(O)F2 (6 ± 1)%. Atmospheric lifetimes of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3 were estimated to be 62 days, 1.5 years, and 220 days, respectively. The 100-year global warming potentials (GWPs) for (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3 are estimated to be 6, 121, and 46, respectively. A comprehensive description of the atmospheric fate of (CF3)2CHOCH3 is presented.

AB - Smog chambers with in situ FTIR detection were used to measure rate coefficients in 700 Torr of air and 296 ± 2 K of: k(Cl+(CF3)2CHOCH3) = (5.41 ± 1.63) × 10(-12), k(Cl+(CF3)2CHOCHO) = (9.44 ± 1.81) × 10(-15), k(Cl+CF3C(O)OCH3) = (6.28 ± 0.98) × 10(-14), k(OH+(CF3)2CHOCH3) = (1.86 ± 0.41) × 10(-13), and k(OH+(CF3)2CHOCHO) = (2.08 ± 0.63) × 10(-14) cm(3) molecule(-1) s(-1). The Cl atom initiated oxidation of (CF3)2CHOCH3 gives (CF3)2CHOCHO in a yield indistinguishable from 100%. The OH radical initiated oxidation of (CF3)2CHOCH3 gives the following products (molar yields): (CF3)2CHOCHO (76 ± 8)%, CF3C(O)OCH3 (16 ± 2)%, CF3C(O)CF3 (4 ± 1)%, and C(O)F2 (45 ± 5)%. The primary oxidation product (CF3)2CHOCHO reacts with Cl atoms to give secondary products (molar yields): CF3C(O)CF3 (67 ± 7)%, CF3C(O)OCHO (28 ± 3)%, and C(O)F2 (118 ± 12)%. CF3C(O)OCH3 reacts with Cl atoms to give: CF3C(O)OCHO (80 ± 8)% and C(O)F2 (6 ± 1)%. Atmospheric lifetimes of (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3 were estimated to be 62 days, 1.5 years, and 220 days, respectively. The 100-year global warming potentials (GWPs) for (CF3)2CHOCH3, (CF3)2CHOCHO, and CF3C(O)OCH3 are estimated to be 6, 121, and 46, respectively. A comprehensive description of the atmospheric fate of (CF3)2CHOCH3 is presented.

U2 - 10.1021/acs.jpca.5b08204

DO - 10.1021/acs.jpca.5b08204

M3 - Journal article

C2 - 26439469

VL - 119

SP - 10540

EP - 10552

JO - Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory

JF - Journal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory

SN - 1089-5639

IS - 42

ER -

ID: 147977145