Infrared diode laser spectroscopy of the CCO radical: the 2v1-v1 and v1+v3-v3 difference bands
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Date
1998
Authors
Moazzen-Ahmadi, N.
Boeré, René T.
Journal Title
Journal ISSN
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Publisher
AIP Publishing
Abstract
The 2n 12n 1 and n 11n 32n 3 difference bands of the CCO radical in the gas phase have been
studied using a tunable infrared diode laser spectrometer. The CCO radical was produced using a
flowing mixture of carbon suboxide and helium subjected to a hollow-cathode discharge. The
spectral region between 1920– 1960 cm21 was probed. Ninety and seventy-five rovibrational
transitions were measured in the 2n 12n 1 and n 11n 32n 3 bands, respectively. The analyses of
these bands yielded spectroscopic constants for the ~001!, ~200!, and ~101! vibrational states. The
band origins for 2n 12n 1 and n 11n 32n 3 were determined to be 1941.85761(54) cm21 and
1936.79402(56) cm21, respectively.
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Citation
Moazzen-Ahmadi, N., & Boere, R. T. (1998). Infrared diode laser spectroscopy of the CCO radical: the 2v1-v1 and v1+v3-v3 difference bands. Journal of Chemical Physics, 108(16), 6588-6593. doi: 10.1063/1.476073