FEMTOSECOND DYNAMICS OF A HYDROGEN-BONDED MODEL BASE-PAIR IN THE CONDENSED-PHASE - DOUBLE PROTON-TRANSFER IN 7-AZAINDOLE

Authors
CHACHISVILIS M FIEBIG T DOUHAL A ZEWAIL AH
Citation
M. Chachisvilis et al., FEMTOSECOND DYNAMICS OF A HYDROGEN-BONDED MODEL BASE-PAIR IN THE CONDENSED-PHASE - DOUBLE PROTON-TRANSFER IN 7-AZAINDOLE, The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, 102(4), 1998, pp. 669-673
Citations number
20
Categorie Soggetti
Chemistry Physical
Journal title
The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory → ACNP
ISSN journal
10895639
Volume
102
Issue
4
Year of publication
1998
Pages
669 - 673
Database
ISI
SICI code
1089-5639(1998)102:4<669:FDOAHM>2.0.ZU;2-X
Abstract
Femtosecond, real-time dynamics of a hydrogen-bonded model base pair ( 7-azaindole dimer) in the condensed phase is presented and compared wi th gas-phase, molecular beam studies. Following the preparation of a w ave packet (nonequilibrium state), we resolved the initial decay of th e reactive pair and the rise of the tautomer in two solvents. Studies of the isotope effect, solvent viscosity, energy dependence, and polar ization anisotropy are consistent with direct and indirect reaction pa thways for the double proton transfer on a global potential energy sur face.