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Observation and analysis of two subbands in the Ã2A1–X̃2B1 absorption spectrum of H2O+

✍ Scribed by Shenghai Wu; Xiaohua Yang; Yingchun Guo; Hua Zhuang; Yuyan Liu; Yangqin Chen

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
157 KB
Volume
219
Category
Article
ISSN
0022-2852

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✦ Synopsis

The absorption spectrum of the à A 2 A 1 -X X 2 B 1 electronic transition of H 2 O þ has been observed in the visible region between 16 600-17 600 cm À1 using optical heterodyne magnetic rotation enhanced velocity modulation spectroscopy. Altogether 100 lines were assigned to the R(0,11,0)-(0,0,0) and D(0,11,0)-(0,0,0) subbands, and precise molecular constants for the two vibronic levels of the à A 2 A 1 electronic state were obtained with the molecular constants of the ground state held fixed at literature values.

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