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Coupling between intra- and intermolecular motions in liquid water revealed by two-dimensional terahertz-infrared-visible spectroscopy
The interaction between intramolecular and intermolecular degrees of freedom in liquid water underlies fundamental chemical and physical phenomena such as energy dissipation and proton transfer. Yet, it has been challenging to elucidate the coupling between these different types of modes. Here, we r...
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Published in: | Nature communications 2018-02, Vol.9 (1), p.885-8, Article 885 |
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description | The interaction between intramolecular and intermolecular degrees of freedom in liquid water underlies fundamental chemical and physical phenomena such as energy dissipation and proton transfer. Yet, it has been challenging to elucidate the coupling between these different types of modes. Here, we report on the direct observation and quantification of the coupling between intermolecular and intramolecular coordinates using two-dimensional, ultra-broadband, terahertz-infrared-visible (2D TIRV) spectroscopy and molecular dynamics calculations. Our study reveals strong coupling of the O-H stretch vibration, independent of the degree of delocalization of this high-frequency mode, to low-frequency intermolecular motions over a wide frequency range from 50 to 250 cm
−1
, corresponding to both the intermolecular hydrogen bond bending (≈ 60 cm
−1
) and stretching (≈ 180 cm
−1
) modes. Our results provide mechanistic insights into the coupling of the O-H stretch vibration to collective, delocalized intermolecular modes.
Liquid water molecules are in constant vibrational motion, but probing how their local behaviour influences collective dynamics remains a challenge. Here, the authors present terahertz-infrared spectroscopy to elucidate coupling of the O-H stretch vibration to collective, delocalized intermolecular modes. |
doi_str_mv | 10.1038/s41467-018-03303-y |
format | article |
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−1
, corresponding to both the intermolecular hydrogen bond bending (≈ 60 cm
−1
) and stretching (≈ 180 cm
−1
) modes. Our results provide mechanistic insights into the coupling of the O-H stretch vibration to collective, delocalized intermolecular modes.
Liquid water molecules are in constant vibrational motion, but probing how their local behaviour influences collective dynamics remains a challenge. Here, the authors present terahertz-infrared spectroscopy to elucidate coupling of the O-H stretch vibration to collective, delocalized intermolecular modes.</description><identifier>ISSN: 2041-1723</identifier><identifier>EISSN: 2041-1723</identifier><identifier>DOI: 10.1038/s41467-018-03303-y</identifier><identifier>PMID: 29491413</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>119/118 ; 140/125 ; 639/638/440/527/2257 ; 639/638/440/94 ; 639/638/440/948 ; Broadband ; Coupling (molecular) ; Energy dissipation ; Humanities and Social Sciences ; Hydrogen bonds ; Infrared spectroscopy ; Mathematical analysis ; Molecular dynamics ; multidisciplinary ; Science ; Science (multidisciplinary) ; Spectroscopy ; Spectrum analysis ; Vibration ; Water</subject><ispartof>Nature communications, 2018-02, Vol.9 (1), p.885-8, Article 885</ispartof><rights>The Author(s) 2018</rights><rights>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-c606t-36841ea6fc4b36e84f0fb87745eb09d260c87dc3db353b022e88e7480054eee13</citedby><cites>FETCH-LOGICAL-c606t-36841ea6fc4b36e84f0fb87745eb09d260c87dc3db353b022e88e7480054eee13</cites><orcidid>0000-0003-0054-7092</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2009221885/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2009221885?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,881,25731,27901,27902,36989,36990,44566,53766,53768,74869</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29491413$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Grechko, Maksim</creatorcontrib><creatorcontrib>Hasegawa, Taisuke</creatorcontrib><creatorcontrib>D’Angelo, Francesco</creatorcontrib><creatorcontrib>Ito, Hironobu</creatorcontrib><creatorcontrib>Turchinovich, Dmitry</creatorcontrib><creatorcontrib>Nagata, Yuki</creatorcontrib><creatorcontrib>Bonn, Mischa</creatorcontrib><title>Coupling between intra- and intermolecular motions in liquid water revealed by two-dimensional terahertz-infrared-visible spectroscopy</title><title>Nature communications</title><addtitle>Nat Commun</addtitle><addtitle>Nat Commun</addtitle><description>The interaction between intramolecular and intermolecular degrees of freedom in liquid water underlies fundamental chemical and physical phenomena such as energy dissipation and proton transfer. Yet, it has been challenging to elucidate the coupling between these different types of modes. Here, we report on the direct observation and quantification of the coupling between intermolecular and intramolecular coordinates using two-dimensional, ultra-broadband, terahertz-infrared-visible (2D TIRV) spectroscopy and molecular dynamics calculations. Our study reveals strong coupling of the O-H stretch vibration, independent of the degree of delocalization of this high-frequency mode, to low-frequency intermolecular motions over a wide frequency range from 50 to 250 cm
−1
, corresponding to both the intermolecular hydrogen bond bending (≈ 60 cm
−1
) and stretching (≈ 180 cm
−1
) modes. Our results provide mechanistic insights into the coupling of the O-H stretch vibration to collective, delocalized intermolecular modes.
Liquid water molecules are in constant vibrational motion, but probing how their local behaviour influences collective dynamics remains a challenge. 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of freedom in liquid water underlies fundamental chemical and physical phenomena such as energy dissipation and proton transfer. Yet, it has been challenging to elucidate the coupling between these different types of modes. Here, we report on the direct observation and quantification of the coupling between intermolecular and intramolecular coordinates using two-dimensional, ultra-broadband, terahertz-infrared-visible (2D TIRV) spectroscopy and molecular dynamics calculations. Our study reveals strong coupling of the O-H stretch vibration, independent of the degree of delocalization of this high-frequency mode, to low-frequency intermolecular motions over a wide frequency range from 50 to 250 cm
−1
, corresponding to both the intermolecular hydrogen bond bending (≈ 60 cm
−1
) and stretching (≈ 180 cm
−1
) modes. Our results provide mechanistic insights into the coupling of the O-H stretch vibration to collective, delocalized intermolecular modes.
Liquid water molecules are in constant vibrational motion, but probing how their local behaviour influences collective dynamics remains a challenge. Here, the authors present terahertz-infrared spectroscopy to elucidate coupling of the O-H stretch vibration to collective, delocalized intermolecular modes.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>29491413</pmid><doi>10.1038/s41467-018-03303-y</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-0054-7092</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | 119/118 140/125 639/638/440/527/2257 639/638/440/94 639/638/440/948 Broadband Coupling (molecular) Energy dissipation Humanities and Social Sciences Hydrogen bonds Infrared spectroscopy Mathematical analysis Molecular dynamics multidisciplinary Science Science (multidisciplinary) Spectroscopy Spectrum analysis Vibration Water |
title | Coupling between intra- and intermolecular motions in liquid water revealed by two-dimensional terahertz-infrared-visible spectroscopy |
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