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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 25, Number 9
BKCSDE 25(9)
September 20, 2004 

Rotational State Distributions of I2(B) from Vibrational Predissociation of I2(B)-Ne
Sung-sil Cho, Hosung Sun*
Vibrational predissociation, I2-Ne
The vibrational predissociation of triatomic, i.e., atom-diatom, van der Waals complexes in transient electronic excited state has been widely investigated. The predissociation rates or lifetimes are major concerns of the previous studies. Experimentally rotational state distributions of diatomic product are hardly investigated and few theoretical stuides on rotational state distributions have appeared in literature. In this work, choosing the frequently studied I2(B)-Ne complex as an example, we investigate the change of rotational state distributions of I2(B) produced from predissociation of the various initial states of I2(B)-Ne. The present study on the rotational distributions indicates that rotational state distributions depend significantly on the predissociation energy and the van der Waals vibrational modes of I2(B)-Ne. That is, the initial state dependency of rotational state distributions is extensively discussed.
1397 - 1402
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