Crossover from hydrogen to chemical bonding
Hydrogen bonds (H-bonds) can be interpreted as a classical electrostatic interaction or as a covalent chemical bond if the interaction is strong enough. As a result, short strong H-bonds exist at an intersection between qualitatively different bonding descriptions, with few experimental methods to u...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2021-01, Vol.371 (6525), p.160-164 |
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| creator | Dereka, Bogdan Yu, Qi Lewis, Nicholas H C Carpenter, William B Bowman, Joel M Tokmakoff, Andrei |
| description | Hydrogen bonds (H-bonds) can be interpreted as a classical electrostatic interaction or as a covalent chemical bond if the interaction is strong enough. As a result, short strong H-bonds exist at an intersection between qualitatively different bonding descriptions, with few experimental methods to understand this dichotomy. The [F-H-F]
ion represents a bare short H-bond, whose distinctive vibrational potential in water is revealed with femtosecond two-dimensional infrared spectroscopy. It shows the superharmonic behavior of the proton motion, which is strongly coupled to the donor-acceptor stretching and disappears on H-bond bending. In combination with high-level quantum-chemical calculations, we demonstrate a distinct crossover in spectroscopic properties from conventional to short strong H-bonds, which identify where hydrogen bonding ends and chemical bonding begins. |
| doi_str_mv | 10.1126/science.abe1951 |
| format | Article |
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ion represents a bare short H-bond, whose distinctive vibrational potential in water is revealed with femtosecond two-dimensional infrared spectroscopy. It shows the superharmonic behavior of the proton motion, which is strongly coupled to the donor-acceptor stretching and disappears on H-bond bending. In combination with high-level quantum-chemical calculations, we demonstrate a distinct crossover in spectroscopic properties from conventional to short strong H-bonds, which identify where hydrogen bonding ends and chemical bonding begins.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.abe1951</identifier><identifier>PMID: 33414217</identifier><language>eng</language><publisher>United States: The American Association for the Advancement of Science</publisher><subject>Aqueous solutions ; Bonding strength ; Chemical bonds ; Chemistry ; Crossovers ; Electrostatic properties ; Experimental methods ; Hunger ; Hydrogen ; Hydrogen bonding ; Hydrogen bonds ; Infrared spectroscopy ; INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY ; Literary Devices ; Quantum chemistry ; Spectroscopy ; Spectrum analysis</subject><ispartof>Science (American Association for the Advancement of Science), 2021-01, Vol.371 (6525), p.160-164</ispartof><rights>Copyright © 2021, American Association for the Advancement of Science.</rights><rights>Copyright © 2021, American Association for the Advancement of Science</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c418t-912acc75817d875f9b3c8c32f8b76007103d6396c3bd31915f52d9893c93f0403</citedby><cites>FETCH-LOGICAL-c418t-912acc75817d875f9b3c8c32f8b76007103d6396c3bd31915f52d9893c93f0403</cites><orcidid>0000-0002-2030-0671 ; 0000-0003-2895-7915 ; 0000-0002-2554-0199 ; 0000-0001-9692-2672 ; 0000-0002-2434-8744 ; 0000000225540199 ; 0000000224348744 ; 0000000328957915 ; 0000000196922672 ; 0000000220300671</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,2884,2885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33414217$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1756131$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Dereka, Bogdan</creatorcontrib><creatorcontrib>Yu, Qi</creatorcontrib><creatorcontrib>Lewis, Nicholas H C</creatorcontrib><creatorcontrib>Carpenter, William B</creatorcontrib><creatorcontrib>Bowman, Joel M</creatorcontrib><creatorcontrib>Tokmakoff, Andrei</creatorcontrib><creatorcontrib>Univ. of Chicago, IL (United States)</creatorcontrib><title>Crossover from hydrogen to chemical bonding</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Hydrogen bonds (H-bonds) can be interpreted as a classical electrostatic interaction or as a covalent chemical bond if the interaction is strong enough. As a result, short strong H-bonds exist at an intersection between qualitatively different bonding descriptions, with few experimental methods to understand this dichotomy. The [F-H-F]
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| ispartof | Science (American Association for the Advancement of Science), 2021-01, Vol.371 (6525), p.160-164 |
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| source | American Association for the Advancement of Science |
| subjects | Aqueous solutions Bonding strength Chemical bonds Chemistry Crossovers Electrostatic properties Experimental methods Hunger Hydrogen Hydrogen bonding Hydrogen bonds Infrared spectroscopy INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY Literary Devices Quantum chemistry Spectroscopy Spectrum analysis |
| title | Crossover from hydrogen to chemical bonding |
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