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Article Dans Une Revue Journal of Chemical Physics Année : 1991

The bending vibrational levels in C2D2 ( X ̃ 1Σ+ g )

Résumé

Improved sets of data have been recorded and analyzed in order to study the bending rovibrational energy levels of C2D2, in the regions of the ν5–ν4 difference band (FIR) and of the ν5 fundamental band (IR). A matrix model is setup to deal with a Darling–Dennison coupling between sets of bending levels as well as with the usual l-type resonances. A simultaneous fit of the new data together with earlier microwave measurements produces an extended set of very accurate parameters, including for the first time in C2D2 s45 and qkt.
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Dates et versions

hal-04230850 , version 1 (06-10-2023)

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T. Huet, M. Herman, J. Johns. The bending vibrational levels in C2D2 ( X ̃ 1Σ+ g ). Journal of Chemical Physics, 1991, 94 (5), pp.3407-3414. ⟨10.1063/1.459763⟩. ⟨hal-04230850⟩

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