The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Probing the Threshold to H Atom Transfer Along a Hydrogen-Bonded Ammonia Wire
Abstract
We characterized the entrance channel, reaction threshold, and mechanism of an excited-state H atom transfer reaction along a unidirectionally hydrogen-bonded “wire” –O–H···NH 3 ···NH 3 ···NH 3 ···N. Excitation of supersonically cooled 7-hydroxyquinoline·(NH 3 ) 3 to its vibrationless S 1 state produces no reaction, whereas excitation of ammonia-wire vibrations induces H atom transfer with a reaction threshold ≈ 200 wave numbers. Further translocation steps along the wire produce the S 1 state 7-ketoquinoline·(NH 3 ) 3 tautomer. Ab initio calculations show that proton and electron movement along the wire are closely coupled. The rate-controlling S 1 state barriers arise from crossings of a ππ* with a Rydberg-type πσ* state.
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PROTON-COUPLED ELECTRON TRANSFER
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Cited by
Proton Transfer 200 Years after von Grotthuss: Insights from Ab Initio Simulations
Marx, D. (2006) · ChemPhysChem · doi:10.1002/cphc.200600128 · Cited by 920
Disorder and Sequence Repeats in Hub Proteins and Their Implications for Network Evolution
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Excited-state proton transfer relieves antiaromaticity in molecules
Wu, C.-H., Karas, L. J., Ottosson, H., & Wu, J. I.-C. (2019) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1908516116 · Cited by 110
Metadata
- Authors
- Tanner, C., Manca, C., & Leutwyler, S.
- Venue
- Science
- Published
- 2003-12-05
- Volume
- 302
- Issue
- 5651
- Pages
- 1736-1739
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2089965591
- Cited by
- 288
- References
- 16
- FWCI
- 10.75
- Type
- journal article
- Language
- en
- Open access
- closed
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