THRESHOLD PHOTOELECTRON-SPECTRUM OF HOBR

被引:9
作者
RUSCIC, B
BERKOWITZ, J
机构
[1] Chemistry Division, Argonne National Laboratory, Argonne
关键词
D O I
10.1063/1.468012
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The threshold photoelectron spectrum (TPES) of HOBr has been obtained in the wavelength regions corresponding to the first and second ionization bands. The adiabatic ionization potential (IP) is 10.642±0.005 eV; the O-Br stretching frequency in this X 2A″ state is found to be 730±20 cm-1. The adiabatic IP for the first excited state (A 2A′) of HOBr+ is 11.448 ± 0.005 eV. The latter value confirms an earlier, tentative conclusion based on the interpretation of autoionizing structure in the photoionization mass spectrum (PIMS). There is a slight difference in the TPES and PIMS values of the first adiabatic IP, whose origin is still somewhat ambiguous. © 1994 American Institute of Physics.
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页码:9215 / 9218
页数:4
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