Infrared spectra of He-, Ne-, and Ar-C6D6

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Journal titleChemical Physics Letters
Pages121124; # of pages: 4
SubjectOptical parametric oscillators; Spectroscopy; Supersonic aerodynamics; Combination bands; Fermi resonances; Infrared spectrum; Intermolecular separations; Laser sources; Pulsed supersonic jet expansions; Two bands; Argon lasers
AbstractSpectra of He-, Ne- and Ar-C6D6 in the region of the ν12 fundamental of C6D6 are observed in a pulsed supersonic jet expansion using a tunable optical parametric oscillator laser source. These are the first reported infrared spectra of rare gas-benzene complexes and the first observation in any region for He- and Ne-C 6D6. Two bands are studied for each complex: the ν12 fundamental itself (≈2289 cm-1) and the ν2 + ν13 combination band (≈2276 cm-1) which are coupled by a Fermi resonance. Effective intermolecular separations of 3.593(1) and 3.455(1) Å are obtained for He- and Ne-C6D 6, respectively, consistent with previous ultraviolet and microwave results for the analogous C6H6 complexes.
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AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21272659
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Record identifier13264acf-4705-460e-9864-17dd09163208
Record created2014-12-03
Record modified2016-05-09
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