Investigation of the C-Cl Bonds in Trichloroacrylic Acid, Cl2C = CClCOOH, by Single Crystal Zeeman Split NQR
The Cl NQR spectrum of trichloroacrylic acid, Cl C = CClCOOH, was studied by single crystal Zeeman NQR spectroscopy at 303 K (high temperature phase I) and at 275 K (low temperature phase II). At 303 K for the = CCl group chlorines it was found eQΦ Cl ) = 76.179 MHz, η ( Cl) = 0.1597; eQΦ h ( Cl )=...
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| Veröffentlicht in: | Zeitschrift für Naturforschung. A, A Journal of physical sciences A Journal of physical sciences, 1990-04, Vol.45 (3), p.243-248 |
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| container_title | Zeitschrift für Naturforschung. A, A Journal of physical sciences |
| container_volume | 45 |
| creator | Wulfsberg, Gary Weiden, Norbert Weiss, Alarich |
| description | The
Cl NQR spectrum of trichloroacrylic acid, Cl
C = CClCOOH, was studied by single crystal Zeeman NQR spectroscopy at 303 K (high temperature phase I) and at 275 K (low temperature phase II). At 303 K for the = CCl
group chlorines it was found eQΦ
Cl
) = 76.179 MHz, η (
Cl) = 0.1597; eQΦ
h
(
Cl
)= 74.693 MHz, η(
Cl) = 0.1868 and for the = CClC - group chlorine eQΦ
h
Cl
) = 75.145 MHz, η (
Cl) = 0.1568. The difference in the electric field gradients at the stereochemically inequivalent chlorines Cl
and Cl
is rather large. The asymmetry parameter η (
Cl
) shows an unusual temperature dependence which probably originates from the change of the hydrogen dynamics and position within the dimeric H-bonded unit (Cl
C = CClCOOH)
during the phase transition |
| doi_str_mv | 10.1515/zna-1990-3-409 |
| format | Article |
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Cl NQR spectrum of trichloroacrylic acid, Cl
C = CClCOOH, was studied by single crystal Zeeman NQR spectroscopy at 303 K (high temperature phase I) and at 275 K (low temperature phase II). At 303 K for the = CCl
group chlorines it was found eQΦ
Cl
) = 76.179 MHz, η (
Cl) = 0.1597; eQΦ
h
(
Cl
)= 74.693 MHz, η(
Cl) = 0.1868 and for the = CClC - group chlorine eQΦ
h
Cl
) = 75.145 MHz, η (
Cl) = 0.1568. The difference in the electric field gradients at the stereochemically inequivalent chlorines Cl
and Cl
is rather large. The asymmetry parameter η (
Cl
) shows an unusual temperature dependence which probably originates from the change of the hydrogen dynamics and position within the dimeric H-bonded unit (Cl
C = CClCOOH)
during the phase transition</description><identifier>ISSN: 0932-0784</identifier><identifier>EISSN: 1865-7109</identifier><identifier>DOI: 10.1515/zna-1990-3-409</identifier><identifier>CODEN: ZNASEI</identifier><language>eng</language><publisher>Tübingen: Verlag der Zeitschrift für Naturforschung</publisher><subject>Condensed matter: structure, mechanical and thermal properties ; Crystalline state (including molecular motions in solids) ; Exact sciences and technology ; Physics ; Structure of solids and liquids; crystallography</subject><ispartof>Zeitschrift für Naturforschung. A, A Journal of physical sciences, 1990-04, Vol.45 (3), p.243-248</ispartof><rights>1990 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,780,784,789,790,23930,23931,25140,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=6910806$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wulfsberg, Gary</creatorcontrib><creatorcontrib>Weiden, Norbert</creatorcontrib><creatorcontrib>Weiss, Alarich</creatorcontrib><title>Investigation of the C-Cl Bonds in Trichloroacrylic Acid, Cl2C = CClCOOH, by Single Crystal Zeeman Split NQR</title><title>Zeitschrift für Naturforschung. A, A Journal of physical sciences</title><description>The
Cl NQR spectrum of trichloroacrylic acid, Cl
C = CClCOOH, was studied by single crystal Zeeman NQR spectroscopy at 303 K (high temperature phase I) and at 275 K (low temperature phase II). At 303 K for the = CCl
group chlorines it was found eQΦ
Cl
) = 76.179 MHz, η (
Cl) = 0.1597; eQΦ
h
(
Cl
)= 74.693 MHz, η(
Cl) = 0.1868 and for the = CClC - group chlorine eQΦ
h
Cl
) = 75.145 MHz, η (
Cl) = 0.1568. The difference in the electric field gradients at the stereochemically inequivalent chlorines Cl
and Cl
is rather large. The asymmetry parameter η (
Cl
) shows an unusual temperature dependence which probably originates from the change of the hydrogen dynamics and position within the dimeric H-bonded unit (Cl
C = CClCOOH)
during the phase transition</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Crystalline state (including molecular motions in solids)</subject><subject>Exact sciences and technology</subject><subject>Physics</subject><subject>Structure of solids and liquids; crystallography</subject><issn>0932-0784</issn><issn>1865-7109</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNotkD1PwzAYhC0EEuVjZfbAWIMdx44zgAQW0EoVFRQWFuuN4xQj16mcFBR-PUEw3Q13p9OD0BmjF0wwcfkdgbCypISTnJZ7aMKUFKRgtNxHE1ryjNBC5YfoqOs-KOVSFPkEhXn8dF3v19D7NuK2wf27w5rogG_bWHfYR_ySvH0PbWrBpiF4i2-sr6dYh0zjK6x10MvlbIqrAa98XIexnoauh4DfnNtAxKtt8D1-fHo-QQcNhM6d_usxer2_e9Ezslg-zPXNgmyzouxJU1cFCJcrQWXVSGdFnUmqlC0gb6yrpauYlFZVkoMq6qziDoRQyimgUGeKH6Pzv90tdBZCkyBa35lt8htIg5Elo4rKMXb9F_uC0LtUu3XaDaMxH-0uxfGgYdT8ojUjWvOL1nAzos3FKFnO-Q-c3m57</recordid><startdate>19900401</startdate><enddate>19900401</enddate><creator>Wulfsberg, Gary</creator><creator>Weiden, Norbert</creator><creator>Weiss, Alarich</creator><general>Verlag der Zeitschrift für Naturforschung</general><scope>IQODW</scope></search><sort><creationdate>19900401</creationdate><title>Investigation of the C-Cl Bonds in Trichloroacrylic Acid, Cl2C = CClCOOH, by Single Crystal Zeeman Split NQR</title><author>Wulfsberg, Gary ; Weiden, Norbert ; Weiss, Alarich</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p279t-fdb7a5e48506bf6ec5d26088c7a4fced6eb166c8b63a87d2b3ea5588e8a0ad283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Crystalline state (including molecular motions in solids)</topic><topic>Exact sciences and technology</topic><topic>Physics</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wulfsberg, Gary</creatorcontrib><creatorcontrib>Weiden, Norbert</creatorcontrib><creatorcontrib>Weiss, Alarich</creatorcontrib><collection>Pascal-Francis</collection><jtitle>Zeitschrift für Naturforschung. A, A Journal of physical sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wulfsberg, Gary</au><au>Weiden, Norbert</au><au>Weiss, Alarich</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of the C-Cl Bonds in Trichloroacrylic Acid, Cl2C = CClCOOH, by Single Crystal Zeeman Split NQR</atitle><jtitle>Zeitschrift für Naturforschung. A, A Journal of physical sciences</jtitle><date>1990-04-01</date><risdate>1990</risdate><volume>45</volume><issue>3</issue><spage>243</spage><epage>248</epage><pages>243-248</pages><issn>0932-0784</issn><eissn>1865-7109</eissn><coden>ZNASEI</coden><abstract>The
Cl NQR spectrum of trichloroacrylic acid, Cl
C = CClCOOH, was studied by single crystal Zeeman NQR spectroscopy at 303 K (high temperature phase I) and at 275 K (low temperature phase II). At 303 K for the = CCl
group chlorines it was found eQΦ
Cl
) = 76.179 MHz, η (
Cl) = 0.1597; eQΦ
h
(
Cl
)= 74.693 MHz, η(
Cl) = 0.1868 and for the = CClC - group chlorine eQΦ
h
Cl
) = 75.145 MHz, η (
Cl) = 0.1568. The difference in the electric field gradients at the stereochemically inequivalent chlorines Cl
and Cl
is rather large. The asymmetry parameter η (
Cl
) shows an unusual temperature dependence which probably originates from the change of the hydrogen dynamics and position within the dimeric H-bonded unit (Cl
C = CClCOOH)
during the phase transition</abstract><cop>Tübingen</cop><pub>Verlag der Zeitschrift für Naturforschung</pub><doi>10.1515/zna-1990-3-409</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0932-0784 |
| ispartof | Zeitschrift für Naturforschung. A, A Journal of physical sciences, 1990-04, Vol.45 (3), p.243-248 |
| issn | 0932-0784 1865-7109 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_6910806 |
| source | Alma/SFX Local Collection |
| subjects | Condensed matter: structure, mechanical and thermal properties Crystalline state (including molecular motions in solids) Exact sciences and technology Physics Structure of solids and liquids crystallography |
| title | Investigation of the C-Cl Bonds in Trichloroacrylic Acid, Cl2C = CClCOOH, by Single Crystal Zeeman Split NQR |
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