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High-Resolution Infrared Spectrum of the ν1and ν3Bands of Dichlorine Monoxide, Cl2O

✍ Scribed by Yunjie Xu; A.R.W. McKellar; James B. Burkholder; John J. Orlando

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
160 KB
Volume
175
Category
Article
ISSN
0022-2852

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✦ Synopsis

The n 1 (symmetric stretch) and n 3 (asymmetric stretch) fundamental bands of the semistable molecule ClOCl have been recorded and analyzed. This is the first high-resolution infrared study of dichlorine monoxide. The spectrum, which occurs in the 600 to 700 cm 01 region, is very dense, and its assignment was greatly aided by the results of previous microwave studies of the ground and excited vibrational states. About 5400 transitions belonging to the two most abundant isotopic forms, 35 Cl 16 O 35 Cl and 35 Cl 16 O 37 Cl, were assigned and fitted. For each isotope, the n 1 and n 3 bands were analyzed simultaneously in order to account for the Coriolis interaction which couples these vibrations. The band origins for the 35 Cl 16 O 35 Cl isotope were determined to be n 1 Å 641.9694(1) cm 01 and n 3 Å 686.5936(1) cm 01 . The Coriolis interaction parameter was determined to be G c Å 0.21087(2) cm 01 , which corresponds to z C 13 Å 0.928.

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