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Resolution of concerted versus sequential mechanisms in photo-induced double-proton transfer reaction in 7-azaindole H-bonded dimer.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Catalán, Javier Jc, Valle Kasha, Michael |
| Copyright Year | 1999 |
| Abstract | The experimental and theoretical bases for a synchronous or concerted double-proton transfer in centro-symmetric H-bonded electronically excited molecular dimers are presented. The prototype model is the 7-azaindole dimer. New research offers confirmation of a concerted mechanism for excited-state biprotonic transfer. Recent femtosecond photoionization and coulombic explosion techniques have given rise to time-of-flight MS observations suggesting sequential two-step biprotonic transfer for the same dimer. We interpret the overall species observed in the time-of-flight experiments as explicable without conflict with the concerted mechanism of proton transfer. |
| File Format | PDF HTM / HTML |
| DOI | 10.1073/pnas.96.15.8338 |
| PubMed reference number | 10411876 |
| Journal | Medline |
| Volume Number | 96 |
| Issue Number | 15 |
| Alternate Webpage(s) | http://www.pnas.org/content/96/15/8338.full.pdf |
| Alternate Webpage(s) | https://doi.org/10.1073/pnas.96.15.8338 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
