15N–13C Dipole Couplings in Smectic Mesophase of a Thermotropic Ionic Liquid
Unique combination of ionic conductivity and anisotropic physical properties in ionic liquid crystals leads to new dynamic properties exploited in modern technological applications. Structural and dynamics information at atomic level for molecules and ions in mesophases can be obtained by nuclear ma...
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| Veröffentlicht in: | Applied magnetic resonance 2018, Vol.49 (6), p.553-562 |
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| container_title | Applied magnetic resonance |
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| creator | Cifelli, M. Domenici, V. Chizhik, V. I. Dvinskikh, S. V. |
| description | Unique combination of ionic conductivity and anisotropic physical properties in ionic liquid crystals leads to new dynamic properties exploited in modern technological applications. Structural and dynamics information at atomic level for molecules and ions in mesophases can be obtained by nuclear magnetic resonance (NMR) spectroscopy through the measurements of dipole–dipole spin couplings. While
13
C–
1
H and
15
N–
1
H dipolar NMR spectra can be routinely acquired in samples with natural isotopic abundance, recording
15
N–
13
C dipolar NMR spectra is challenging because of the unfavourable combination of two rare isotopes. In the present study, an approach to measure
15
N–
13
C dipole-dipole NMR spectra in static liquid crystalline samples with natural abundance is introduced. We demonstrate that well-resolved spectra can be recorded within 10 h of experimental time using a conventional NMR probe and a moderately strong magnetic field. The technique is applied to a thermotropic smectic mesophase formed by an ionic liquid with imidazolium-based organic cation. |
| doi_str_mv | 10.1007/s00723-018-1000-7 |
| format | Article |
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13
C–
1
H and
15
N–
1
H dipolar NMR spectra can be routinely acquired in samples with natural isotopic abundance, recording
15
N–
13
C dipolar NMR spectra is challenging because of the unfavourable combination of two rare isotopes. In the present study, an approach to measure
15
N–
13
C dipole-dipole NMR spectra in static liquid crystalline samples with natural abundance is introduced. We demonstrate that well-resolved spectra can be recorded within 10 h of experimental time using a conventional NMR probe and a moderately strong magnetic field. The technique is applied to a thermotropic smectic mesophase formed by an ionic liquid with imidazolium-based organic cation.</description><identifier>ISSN: 0937-9347</identifier><identifier>EISSN: 1613-7507</identifier><identifier>DOI: 10.1007/s00723-018-1000-7</identifier><identifier>PMID: 29904238</identifier><language>eng</language><publisher>Vienna: Springer Vienna</publisher><subject>Abundance ; Atoms and Molecules in Strong Fields ; Cooling ; Couplings ; Crystals ; Dipoles ; Ion currents ; Ionic liquids ; Isotopes ; Laser Matter Interaction ; Liquid crystals ; Magnetic fields ; Mesophase ; Nitrogen ; Nitrogen isotopes ; NMR ; NMR spectroscopy ; Nuclear magnetic resonance ; Organic Chemistry ; Original Paper ; Phase transitions ; Physical Chemistry ; Physical properties ; Physics ; Physics and Astronomy ; Solid State Physics ; Spectra ; Spectroscopy/Spectrometry ; Spectrum analysis</subject><ispartof>Applied magnetic resonance, 2018, Vol.49 (6), p.553-562</ispartof><rights>The Author(s) 2018</rights><rights>The Author(s) 2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2927-4cde417453c5ee76df79adfb5b18d8ae1462e7450ad3eb7aa1b32f7794c827703</citedby><cites>FETCH-LOGICAL-c2927-4cde417453c5ee76df79adfb5b18d8ae1462e7450ad3eb7aa1b32f7794c827703</cites><orcidid>0000-0002-6524-1441</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00723-018-1000-7$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2918035214?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>230,314,776,780,881,21367,27901,27902,33721,33722,41464,42533,43781,51294</link.rule.ids></links><search><creatorcontrib>Cifelli, M.</creatorcontrib><creatorcontrib>Domenici, V.</creatorcontrib><creatorcontrib>Chizhik, V. I.</creatorcontrib><creatorcontrib>Dvinskikh, S. V.</creatorcontrib><title>15N–13C Dipole Couplings in Smectic Mesophase of a Thermotropic Ionic Liquid</title><title>Applied magnetic resonance</title><addtitle>Appl Magn Reson</addtitle><description>Unique combination of ionic conductivity and anisotropic physical properties in ionic liquid crystals leads to new dynamic properties exploited in modern technological applications. Structural and dynamics information at atomic level for molecules and ions in mesophases can be obtained by nuclear magnetic resonance (NMR) spectroscopy through the measurements of dipole–dipole spin couplings. While
13
C–
1
H and
15
N–
1
H dipolar NMR spectra can be routinely acquired in samples with natural isotopic abundance, recording
15
N–
13
C dipolar NMR spectra is challenging because of the unfavourable combination of two rare isotopes. In the present study, an approach to measure
15
N–
13
C dipole-dipole NMR spectra in static liquid crystalline samples with natural abundance is introduced. We demonstrate that well-resolved spectra can be recorded within 10 h of experimental time using a conventional NMR probe and a moderately strong magnetic field. The technique is applied to a thermotropic smectic mesophase formed by an ionic liquid with imidazolium-based organic cation.</description><subject>Abundance</subject><subject>Atoms and Molecules in Strong Fields</subject><subject>Cooling</subject><subject>Couplings</subject><subject>Crystals</subject><subject>Dipoles</subject><subject>Ion currents</subject><subject>Ionic liquids</subject><subject>Isotopes</subject><subject>Laser Matter Interaction</subject><subject>Liquid crystals</subject><subject>Magnetic fields</subject><subject>Mesophase</subject><subject>Nitrogen</subject><subject>Nitrogen isotopes</subject><subject>NMR</subject><subject>NMR spectroscopy</subject><subject>Nuclear magnetic resonance</subject><subject>Organic Chemistry</subject><subject>Original Paper</subject><subject>Phase transitions</subject><subject>Physical Chemistry</subject><subject>Physical properties</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Solid State Physics</subject><subject>Spectra</subject><subject>Spectroscopy/Spectrometry</subject><subject>Spectrum analysis</subject><issn>0937-9347</issn><issn>1613-7507</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>BENPR</sourceid><recordid>eNp1kc1u1DAUha0K1A4tD9BdpG7YpPh3rr2pVA1QKg1lQbu2HOdmxlUSp_YEiR3vwBvyJHg0FQgkNte6Oud8utYh5JzRS0YpvM1lcFFTpuuy0xqOyIItmahBUXhBFtQIqI2QcEJe5fxIKVOawTE54cZQyYVekDum7n5-_8HEqnoXpthjtYrz1Idxk6swVl8G9Lvgq0-Y47R1GavYVa6632Ia4i7FqWi3cSxzHZ7m0J6Rl53rM75-fk_Jw4f396uP9frzze3qel17bjjU0rcoGUglvEKEZduBcW3XqIbpVjtkcsmxyNS1AhtwjjWCdwBGes0BqDglVwfuNDcDth7HXXK9nVIYXPpmowv2b2UMW7uJX60yWhdOAbx5BqT4NGPe2SFkj33vRoxztpyqpTCS67314h_rY5zTWL5nuWGaCsWZLC52cPkUc07Y_T6GUbtvyx7asqWt_U4tlAw_ZHLxjhtMf8j_D_0CLa6VrA</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Cifelli, M.</creator><creator>Domenici, V.</creator><creator>Chizhik, V. 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13
C–
1
H and
15
N–
1
H dipolar NMR spectra can be routinely acquired in samples with natural isotopic abundance, recording
15
N–
13
C dipolar NMR spectra is challenging because of the unfavourable combination of two rare isotopes. In the present study, an approach to measure
15
N–
13
C dipole-dipole NMR spectra in static liquid crystalline samples with natural abundance is introduced. We demonstrate that well-resolved spectra can be recorded within 10 h of experimental time using a conventional NMR probe and a moderately strong magnetic field. The technique is applied to a thermotropic smectic mesophase formed by an ionic liquid with imidazolium-based organic cation.</abstract><cop>Vienna</cop><pub>Springer Vienna</pub><pmid>29904238</pmid><doi>10.1007/s00723-018-1000-7</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-6524-1441</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Applied magnetic resonance, 2018, Vol.49 (6), p.553-562 |
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| subjects | Abundance Atoms and Molecules in Strong Fields Cooling Couplings Crystals Dipoles Ion currents Ionic liquids Isotopes Laser Matter Interaction Liquid crystals Magnetic fields Mesophase Nitrogen Nitrogen isotopes NMR NMR spectroscopy Nuclear magnetic resonance Organic Chemistry Original Paper Phase transitions Physical Chemistry Physical properties Physics Physics and Astronomy Solid State Physics Spectra Spectroscopy/Spectrometry Spectrum analysis |
| title | 15N–13C Dipole Couplings in Smectic Mesophase of a Thermotropic Ionic Liquid |
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