The bending vibrational levels in C2D2(X1Σg+)

The bending vibrational levels in C2D2(X1Σg+)

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 lev...

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Veröffentlicht in:The Journal of chemical physics 1991-03, Vol.94 (5), p.3407-3414
Hauptverfasser: HUET, T. R, HERMAN, M, JOHNS, J. W. C
Format: Artikel
Sprache:eng
Schlagworte:
Atomic and molecular physics
Chemical Sciences
Exact sciences and technology
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
Rotation, vibration and vibration-rotation constants
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Zusammenfassung: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.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.459763