CO Dimer: The Infrared Spectrum Revisited

A broad-band (2135–2200 cm–1) infrared spectrum of the CO dimer is recorded using a tunable quantum cascade laser to probe a supersonic jet expansion with an effective rotational temperature of about 2.5 K. Analysis of the spectrum reveals the first known levels of the excited state (vCO = 1) with A...

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Bibliographic Details
Published in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2013-10, Vol.117 (39), p.9612-9620
Main Authors: Rezaei, Mojtaba, Sheybani-Deloui, S, Moazzen-Ahmadi, N, Michaelian, K.H, McKellar, A.R.W
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Cobalt
Dimers
Exact sciences and technology
Infrared
Infrared spectra
Isomers
Molecular properties and interactions with photons
Molecular spectra
Physics
Rotational
Stacks
Symmetry
Vibration
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Summary:A broad-band (2135–2200 cm–1) infrared spectrum of the CO dimer is recorded using a tunable quantum cascade laser to probe a supersonic jet expansion with an effective rotational temperature of about 2.5 K. Analysis of the spectrum reveals the first known levels of the excited state (vCO = 1) with A + symmetry and establishes that resonant vibrational splittings are small (
ISSN:1089-5639
1520-5215
DOI:10.1021/jp312337v