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Atmospheric chemistry of Z- and E-CF3CH&z.dbd;CHCF3Electronic supplementary information (ESI) available. See DOI: 10.1039/c6cp07234h
The atmospheric fates of Z - and E -CF 3 CH&z.dbd;CHCF 3 have been studied, investigating the kinetics and the products of the reactions of the two compounds with Cl atoms, OH radicals, OD radicals, and O 3 . FTIR smog chamber experiments measured: k (Cl + Z -CF 3 CH&z.dbd;CHCF 3 ) = (2.59 ±...
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| creator | Østerstrøm, Freja F Andersen, Simone Thirstrup Sølling, Theis I Nielsen, Ole John Sulbaek Andersen, Mads P |
| description | The atmospheric fates of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
have been studied, investigating the kinetics and the products of the reactions of the two compounds with Cl atoms, OH radicals, OD radicals, and O
3
. FTIR smog chamber experiments measured:
k
(Cl +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (2.59 ± 0.47) × 10
−11
,
k
(Cl +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.36 ± 0.27) × 10
−11
,
k
(OH +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (4.21 ± 0.62) × 10
−13
,
k
(OH +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.72 ± 0.42) × 10
−13
,
k
(OD +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.94 ± 1.25) × 10
−13
,
k
(OD +
E
-CF
3
CH&z.dbd;CHCF
3
) = (5.61 ± 0.98) × 10
−13
,
k
(O
3
+
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.25 ± 0.70) × 10
−22
, and
k
(O
3
+
E
-CF
3
CH&z.dbd;CHCF
3
) = (4.14 ± 0.42) × 10
−22
cm
3
molecule
−1
s
−1
in 700 Torr of air/N
2
/O
2
diluents at 296 ± 2 K.
E
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give CF
3
CHClC(O)CF
3
in a yield indistinguishable from 100%.
Z
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give (95 ± 10)% CF
3
CHClC(O)CF
3
and (7 ± 1)%
E
-CF
3
CH&z.dbd;CHCF
3
. CF
3
CHClC(O)CF
3
reacts with Cl atoms to give the secondary product CF
3
C(O)Cl in a yield indistinguishable from 100%, with the observed co-products C(O)F
2
and CF
3
O
3
CF
3
. The main atmospheric fate for
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
is reaction with OH radicals. The atmospheric lifetimes of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
are estimated as 27 and 67 days, respectively. IR absorption cross sections are reported and the global warming potentials (GWPs) of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
for the 100 year time horizon are calculated to be GWP
100
= 2 and 7, respectively. This study provides a comprehensive description of the atmospheric fate and impact of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
.
The first determination of the atmospheric chemistry of
E
-CF
3
CH&z.dbd;CHCF
3
and of the Cl and O
3
initiated atmospheric chemistry of
Z
-CF
3
CH&z.dbd;CHCF
3
. |
| doi_str_mv | 10.1039/c6cp07234h |
| format | article |
| fullrecord | <record><control><sourceid>rsc</sourceid><recordid>TN_cdi_rsc_primary_c6cp07234h</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>c6cp07234h</sourcerecordid><originalsourceid>FETCH-rsc_primary_c6cp07234h3</originalsourceid><addsrcrecordid>eNqFTjtPwzAYtBBIlMLCjvSxIDok2DiklE4oTZVODGViiVzni2Lkl2yDBDM_nAwIBiSY7k730BFyymjOKF9cyVJ6Or_mxbBHJqwoebagt8X-N5-Xh-QoxmdKKbthfEI-7pNx0Q8YlAQ5oFExhTdwPTxlIGwHdVatedVcvOfdrltWzahqjTIFZ8dGfPFeo0GbxNhStnfBiKSchct6u5mBeBVKi53GHLaIsHrY3MHvr8fkoBc64skXTsnZun6smixE2fqgzDje_sT5lJz_5be-6_l_G5_KP1ot</addsrcrecordid><sourcetype>Enrichment Source</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Atmospheric chemistry of Z- and E-CF3CH&z.dbd;CHCF3Electronic supplementary information (ESI) available. See DOI: 10.1039/c6cp07234h</title><source>Royal Society of Chemistry Journals</source><creator>Østerstrøm, Freja F ; Andersen, Simone Thirstrup ; Sølling, Theis I ; Nielsen, Ole John ; Sulbaek Andersen, Mads P</creator><creatorcontrib>Østerstrøm, Freja F ; Andersen, Simone Thirstrup ; Sølling, Theis I ; Nielsen, Ole John ; Sulbaek Andersen, Mads P</creatorcontrib><description><![CDATA[The atmospheric fates of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
have been studied, investigating the kinetics and the products of the reactions of the two compounds with Cl atoms, OH radicals, OD radicals, and O
3
. FTIR smog chamber experiments measured:
k
(Cl +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (2.59 ± 0.47) × 10
−11
,
k
(Cl +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.36 ± 0.27) × 10
−11
,
k
(OH +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (4.21 ± 0.62) × 10
−13
,
k
(OH +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.72 ± 0.42) × 10
−13
,
k
(OD +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.94 ± 1.25) × 10
−13
,
k
(OD +
E
-CF
3
CH&z.dbd;CHCF
3
) = (5.61 ± 0.98) × 10
−13
,
k
(O
3
+
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.25 ± 0.70) × 10
−22
, and
k
(O
3
+
E
-CF
3
CH&z.dbd;CHCF
3
) = (4.14 ± 0.42) × 10
−22
cm
3
molecule
−1
s
−1
in 700 Torr of air/N
2
/O
2
diluents at 296 ± 2 K.
E
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give CF
3
CHClC(O)CF
3
in a yield indistinguishable from 100%.
Z
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give (95 ± 10)% CF
3
CHClC(O)CF
3
and (7 ± 1)%
E
-CF
3
CH&z.dbd;CHCF
3
. CF
3
CHClC(O)CF
3
reacts with Cl atoms to give the secondary product CF
3
C(O)Cl in a yield indistinguishable from 100%, with the observed co-products C(O)F
2
and CF
3
O
3
CF
3
. The main atmospheric fate for
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
is reaction with OH radicals. The atmospheric lifetimes of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
are estimated as 27 and 67 days, respectively. IR absorption cross sections are reported and the global warming potentials (GWPs) of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
for the 100 year time horizon are calculated to be GWP
100
= 2 and 7, respectively. This study provides a comprehensive description of the atmospheric fate and impact of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
.
The first determination of the atmospheric chemistry of
E
-CF
3
CH&z.dbd;CHCF
3
and of the Cl and O
3
initiated atmospheric chemistry of
Z
-CF
3
CH&z.dbd;CHCF
3
.]]></description><identifier>ISSN: 1463-9076</identifier><identifier>EISSN: 1463-9084</identifier><identifier>DOI: 10.1039/c6cp07234h</identifier><language>eng</language><creationdate>2016-12</creationdate><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Østerstrøm, Freja F</creatorcontrib><creatorcontrib>Andersen, Simone Thirstrup</creatorcontrib><creatorcontrib>Sølling, Theis I</creatorcontrib><creatorcontrib>Nielsen, Ole John</creatorcontrib><creatorcontrib>Sulbaek Andersen, Mads P</creatorcontrib><title>Atmospheric chemistry of Z- and E-CF3CH&z.dbd;CHCF3Electronic supplementary information (ESI) available. See DOI: 10.1039/c6cp07234h</title><description><![CDATA[The atmospheric fates of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
have been studied, investigating the kinetics and the products of the reactions of the two compounds with Cl atoms, OH radicals, OD radicals, and O
3
. FTIR smog chamber experiments measured:
k
(Cl +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (2.59 ± 0.47) × 10
−11
,
k
(Cl +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.36 ± 0.27) × 10
−11
,
k
(OH +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (4.21 ± 0.62) × 10
−13
,
k
(OH +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.72 ± 0.42) × 10
−13
,
k
(OD +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.94 ± 1.25) × 10
−13
,
k
(OD +
E
-CF
3
CH&z.dbd;CHCF
3
) = (5.61 ± 0.98) × 10
−13
,
k
(O
3
+
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.25 ± 0.70) × 10
−22
, and
k
(O
3
+
E
-CF
3
CH&z.dbd;CHCF
3
) = (4.14 ± 0.42) × 10
−22
cm
3
molecule
−1
s
−1
in 700 Torr of air/N
2
/O
2
diluents at 296 ± 2 K.
E
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give CF
3
CHClC(O)CF
3
in a yield indistinguishable from 100%.
Z
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give (95 ± 10)% CF
3
CHClC(O)CF
3
and (7 ± 1)%
E
-CF
3
CH&z.dbd;CHCF
3
. CF
3
CHClC(O)CF
3
reacts with Cl atoms to give the secondary product CF
3
C(O)Cl in a yield indistinguishable from 100%, with the observed co-products C(O)F
2
and CF
3
O
3
CF
3
. The main atmospheric fate for
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
is reaction with OH radicals. The atmospheric lifetimes of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
are estimated as 27 and 67 days, respectively. IR absorption cross sections are reported and the global warming potentials (GWPs) of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
for the 100 year time horizon are calculated to be GWP
100
= 2 and 7, respectively. This study provides a comprehensive description of the atmospheric fate and impact of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
.
The first determination of the atmospheric chemistry of
E
-CF
3
CH&z.dbd;CHCF
3
and of the Cl and O
3
initiated atmospheric chemistry of
Z
-CF
3
CH&z.dbd;CHCF
3
.]]></description><issn>1463-9076</issn><issn>1463-9084</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFTjtPwzAYtBBIlMLCjvSxIDok2DiklE4oTZVODGViiVzni2Lkl2yDBDM_nAwIBiSY7k730BFyymjOKF9cyVJ6Or_mxbBHJqwoebagt8X-N5-Xh-QoxmdKKbthfEI-7pNx0Q8YlAQ5oFExhTdwPTxlIGwHdVatedVcvOfdrltWzahqjTIFZ8dGfPFeo0GbxNhStnfBiKSchct6u5mBeBVKi53GHLaIsHrY3MHvr8fkoBc64skXTsnZun6smixE2fqgzDje_sT5lJz_5be-6_l_G5_KP1ot</recordid><startdate>20161221</startdate><enddate>20161221</enddate><creator>Østerstrøm, Freja F</creator><creator>Andersen, Simone Thirstrup</creator><creator>Sølling, Theis I</creator><creator>Nielsen, Ole John</creator><creator>Sulbaek Andersen, Mads P</creator><scope/></search><sort><creationdate>20161221</creationdate><title>Atmospheric chemistry of Z- and E-CF3CH&z.dbd;CHCF3Electronic supplementary information (ESI) available. See DOI: 10.1039/c6cp07234h</title><author>Østerstrøm, Freja F ; Andersen, Simone Thirstrup ; Sølling, Theis I ; Nielsen, Ole John ; Sulbaek Andersen, Mads P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c6cp07234h3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Østerstrøm, Freja F</creatorcontrib><creatorcontrib>Andersen, Simone Thirstrup</creatorcontrib><creatorcontrib>Sølling, Theis I</creatorcontrib><creatorcontrib>Nielsen, Ole John</creatorcontrib><creatorcontrib>Sulbaek Andersen, Mads P</creatorcontrib></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Østerstrøm, Freja F</au><au>Andersen, Simone Thirstrup</au><au>Sølling, Theis I</au><au>Nielsen, Ole John</au><au>Sulbaek Andersen, Mads P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Atmospheric chemistry of Z- and E-CF3CH&z.dbd;CHCF3Electronic supplementary information (ESI) available. See DOI: 10.1039/c6cp07234h</atitle><date>2016-12-21</date><risdate>2016</risdate><volume>19</volume><issue>1</issue><spage>735</spage><epage>75</epage><pages>735-75</pages><issn>1463-9076</issn><eissn>1463-9084</eissn><abstract><![CDATA[The atmospheric fates of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
have been studied, investigating the kinetics and the products of the reactions of the two compounds with Cl atoms, OH radicals, OD radicals, and O
3
. FTIR smog chamber experiments measured:
k
(Cl +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (2.59 ± 0.47) × 10
−11
,
k
(Cl +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.36 ± 0.27) × 10
−11
,
k
(OH +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (4.21 ± 0.62) × 10
−13
,
k
(OH +
E
-CF
3
CH&z.dbd;CHCF
3
) = (1.72 ± 0.42) × 10
−13
,
k
(OD +
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.94 ± 1.25) × 10
−13
,
k
(OD +
E
-CF
3
CH&z.dbd;CHCF
3
) = (5.61 ± 0.98) × 10
−13
,
k
(O
3
+
Z
-CF
3
CH&z.dbd;CHCF
3
) = (6.25 ± 0.70) × 10
−22
, and
k
(O
3
+
E
-CF
3
CH&z.dbd;CHCF
3
) = (4.14 ± 0.42) × 10
−22
cm
3
molecule
−1
s
−1
in 700 Torr of air/N
2
/O
2
diluents at 296 ± 2 K.
E
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give CF
3
CHClC(O)CF
3
in a yield indistinguishable from 100%.
Z
-CF
3
CH&z.dbd;CHCF
3
reacts with Cl atoms to give (95 ± 10)% CF
3
CHClC(O)CF
3
and (7 ± 1)%
E
-CF
3
CH&z.dbd;CHCF
3
. CF
3
CHClC(O)CF
3
reacts with Cl atoms to give the secondary product CF
3
C(O)Cl in a yield indistinguishable from 100%, with the observed co-products C(O)F
2
and CF
3
O
3
CF
3
. The main atmospheric fate for
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
is reaction with OH radicals. The atmospheric lifetimes of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
are estimated as 27 and 67 days, respectively. IR absorption cross sections are reported and the global warming potentials (GWPs) of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
for the 100 year time horizon are calculated to be GWP
100
= 2 and 7, respectively. This study provides a comprehensive description of the atmospheric fate and impact of
Z
- and
E
-CF
3
CH&z.dbd;CHCF
3
.
The first determination of the atmospheric chemistry of
E
-CF
3
CH&z.dbd;CHCF
3
and of the Cl and O
3
initiated atmospheric chemistry of
Z
-CF
3
CH&z.dbd;CHCF
3
.]]></abstract><doi>10.1039/c6cp07234h</doi><tpages>16</tpages></addata></record> |
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| source | Royal Society of Chemistry Journals |
| title | Atmospheric chemistry of Z- and E-CF3CH&z.dbd;CHCF3Electronic supplementary information (ESI) available. See DOI: 10.1039/c6cp07234h |
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