期刊
CHEMICAL PHYSICS LETTERS
卷 658, 期 -, 页码 63-70出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.06.008
关键词
5-Cyanoindole; Mass-selected one-color R2PI; UV-UV hole-burning spectroscopy; IR-dip spectroscopy; Ab initio and DFT calculations
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2013R1A1A2057784]
Mass-selected resonant two-photon ionization (R2PI) and UV-UV hole-burning, and infrared-dip spectra of 5-cyanoindole (5CI) and its water clusters, 5CI-(H2O)(n) (n =1 and 2) were measured. Although, the structures of 5CI-(H2O)(1-2) are similar to those of 3CI-(H2O)1-2, the photofragmentation behaviors of the two systems are quite different due to the L-a-L-b state energy lowering and higher binding energies of 5CI-(H2O)(1-2) compared to those of 3CI-(H2O)(1-2). Especially for the case of 50-(I-120)2 cluster, shortening excited-state lifetime of 5CI-(H2O)(2) causes the broad background in the R2PI spectrum of 5CI-(H2O)(2). (C) 2016 Elsevier B.V. All rights reserved.
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