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High-Resolution Spectrum of the 3ν1Band of Cyanoacetylene Obtained via Infrared/Infrared Double Resonance

✍ Scribed by Joan E. Gambogi; Erik R.Th. Kerstel; Xeuming Yang; Kevin K. Lehmann; Giacinto Scoles

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

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✦ Synopsis

The 3n 1 band of cyanoacetylene has been recorded with 0.0005 cm 01 resolution using sequential infrared/infrared double resonance excitation. Rotational levels from 0 £ J £ 6 were measured and used to calculate £ 0 , B, and D J . The spectrum is slightly perturbed, with its features showing fractionation into two or three lines due to the onset of intramolecular vibrational energy redistribution. ᭧ 1996 Academic Press, Inc.

''clump,'' spectroscopic constants for the 3n 1 band have 2 Current address: Department of Physics (CIO), University of Groningen, been calculated (Table 2). Using the value determined from 9747 AG Groningen, The Netherlands. microwave spectroscopy for B 0 of 0.151740 cm 01 (2), the

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