Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents
The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55%...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
G., Celebre [verfasserIn] G., De Luca [verfasserIn] M., Longeri [verfasserIn] A., Ferrarini [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1994 |
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| Übergeordnetes Werk: |
Enthalten in: Molecular physics - London : Taylor & Francis, 1958, 83, 2, Seite 309-326 |
|---|---|
| Übergeordnetes Werk: |
volume:83 ; number:2 ; pages:309-326 |
| Links: |
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| DOI / URN: |
10.1080/00268979400101271 |
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NLEJ253705282 |
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| 520 | |a The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. | ||
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10.1080/00268979400101271 doi (DE-627)NLEJ253705282 (TFO)10320189 DE-627 ger DE-627 rda eng G., Celebre verfasserin aut Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents 1994 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. G., De Luca verfasserin aut M., Longeri verfasserin aut A., Ferrarini verfasserin aut Enthalten in Molecular physics London : Taylor & Francis, 1958 83, 2, Seite 309-326 Online-Ressource (DE-627)NLEJ253703115 (DE-600)1491083-4 (DE-576)079719260 1362-3028 nnns volume:83 number:2 pages:309-326 https://www.tib.eu/de/suchen/id/tandf%3A5a2141c0664c1e0546c11566595514470b51766a Digitalisierung Deutschlandweit zugänglich ZDB-1-TFO GBV_NL_ARTICLE AR 83 2 309-326 |
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10.1080/00268979400101271 doi (DE-627)NLEJ253705282 (TFO)10320189 DE-627 ger DE-627 rda eng G., Celebre verfasserin aut Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents 1994 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. G., De Luca verfasserin aut M., Longeri verfasserin aut A., Ferrarini verfasserin aut Enthalten in Molecular physics London : Taylor & Francis, 1958 83, 2, Seite 309-326 Online-Ressource (DE-627)NLEJ253703115 (DE-600)1491083-4 (DE-576)079719260 1362-3028 nnns volume:83 number:2 pages:309-326 https://www.tib.eu/de/suchen/id/tandf%3A5a2141c0664c1e0546c11566595514470b51766a Digitalisierung Deutschlandweit zugänglich ZDB-1-TFO GBV_NL_ARTICLE AR 83 2 309-326 |
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10.1080/00268979400101271 doi (DE-627)NLEJ253705282 (TFO)10320189 DE-627 ger DE-627 rda eng G., Celebre verfasserin aut Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents 1994 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. G., De Luca verfasserin aut M., Longeri verfasserin aut A., Ferrarini verfasserin aut Enthalten in Molecular physics London : Taylor & Francis, 1958 83, 2, Seite 309-326 Online-Ressource (DE-627)NLEJ253703115 (DE-600)1491083-4 (DE-576)079719260 1362-3028 nnns volume:83 number:2 pages:309-326 https://www.tib.eu/de/suchen/id/tandf%3A5a2141c0664c1e0546c11566595514470b51766a Digitalisierung Deutschlandweit zugänglich ZDB-1-TFO GBV_NL_ARTICLE AR 83 2 309-326 |
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10.1080/00268979400101271 doi (DE-627)NLEJ253705282 (TFO)10320189 DE-627 ger DE-627 rda eng G., Celebre verfasserin aut Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents 1994 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. G., De Luca verfasserin aut M., Longeri verfasserin aut A., Ferrarini verfasserin aut Enthalten in Molecular physics London : Taylor & Francis, 1958 83, 2, Seite 309-326 Online-Ressource (DE-627)NLEJ253703115 (DE-600)1491083-4 (DE-576)079719260 1362-3028 nnns volume:83 number:2 pages:309-326 https://www.tib.eu/de/suchen/id/tandf%3A5a2141c0664c1e0546c11566595514470b51766a Digitalisierung Deutschlandweit zugänglich ZDB-1-TFO GBV_NL_ARTICLE AR 83 2 309-326 |
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10.1080/00268979400101271 doi (DE-627)NLEJ253705282 (TFO)10320189 DE-627 ger DE-627 rda eng G., Celebre verfasserin aut Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents 1994 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. G., De Luca verfasserin aut M., Longeri verfasserin aut A., Ferrarini verfasserin aut Enthalten in Molecular physics London : Taylor & Francis, 1958 83, 2, Seite 309-326 Online-Ressource (DE-627)NLEJ253703115 (DE-600)1491083-4 (DE-576)079719260 1362-3028 nnns volume:83 number:2 pages:309-326 https://www.tib.eu/de/suchen/id/tandf%3A5a2141c0664c1e0546c11566595514470b51766a Digitalisierung Deutschlandweit zugänglich ZDB-1-TFO GBV_NL_ARTICLE AR 83 2 309-326 |
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Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents |
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The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. |
| abstractGer |
The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. |
| abstract_unstemmed |
The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000naa a22002652 4500</leader><controlfield tag="001">NLEJ253705282</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20240215133727.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">240215s1994 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1080/00268979400101271</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ253705282</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(TFO)10320189</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">G., Celebre</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Investigation of internal and external potentials acting on benzyl halides dissolved in different nematic solvents</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1994</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">The NMR spectra of C 6 H 5 CH 2 X (X=Cl, Br, I) dissolved in three different nematic liquid crystal solvents were analysed to investigate, using the AP-ELS model, the internal and external potentials acting on the solutes. The nematics [ZLI1132, I35 and a zero electric field gradient mixture (55% ZLI1132:EBBA)] were selected to compare the effects depending on the nature of the solvents on both potentials. The internal potential for the rotation around the exocyclic C—C bond shows minima located at γ4=±90° (C—X bond lies in a plane perpendicular to the ring) and torsional barrier increasing with the steric hindrance of the halide (from X=Cl to X=I) and with the polarity of the solvent (I35<the mixture <ZLI1132). Concerning the nature of the interactions responsible for the orientational order of the solutes, the results obtained from the AP method were analysed in a mean field approach testing different hypotheses: it seems that the interaction between the polarizability tensor of the solutes and the electric field squared of the solvents plays a non-negligible role in the orientational mechanism for this kind of compound.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">G., De Luca</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">M., Longeri</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">A., Ferrarini</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Molecular physics</subfield><subfield code="d">London : Taylor & Francis, 1958</subfield><subfield code="g">83, 2, Seite 309-326</subfield><subfield code="h">Online-Ressource</subfield><subfield code="w">(DE-627)NLEJ253703115</subfield><subfield code="w">(DE-600)1491083-4</subfield><subfield code="w">(DE-576)079719260</subfield><subfield code="x">1362-3028</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:83</subfield><subfield code="g">number:2</subfield><subfield code="g">pages:309-326</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://www.tib.eu/de/suchen/id/tandf%3A5a2141c0664c1e0546c11566595514470b51766a</subfield><subfield code="x">Digitalisierung</subfield><subfield code="z">Deutschlandweit zugänglich</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-TFO</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">83</subfield><subfield code="e">2</subfield><subfield code="h">309-326</subfield></datafield></record></collection>
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